2021 CADILLAC CT4

4 recalls, 12 complaints - 822 TSBs

25V148000 Mar 6, 2025
POWER TRAIN:AUTOMATIC TRANSMISSION
Defect Description
General Motors LLC (GM) is recalling certain 2019-2020 Cadillac CT6, 2020-2021 CT4, CT5, and 2020-2022 Chevrolet Camaro vehicles equipped with a 10-speed transmission. The transmission may become damaged internally and cause the wheels to lock-up.
Consequence
Wheel lock-up while driving increases the risk of a crash.
Remedy
Dealers will install transmission control module monitoring software, free of charge. Owner notification letters were mailed April 7, 2025. Owners may contact Cadillac customer service at 1-800-333-4223 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N242480630.
90,081 vehicles affected
Manufacturer: General Motors, LLC
22V903000 Dec 8, 2022
EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE
Defect Description
General Motors, LLC (GM) is recalling certain 2020-2023 Cadillac CT4 and CT5; 2021-2023 Buick Envision; and 2022-2023 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles. The daytime running lights (DRLs) may not deactivate wh... Read more
Consequence
DRLs that do not deactivate as intended may result in a glare, reducing visibility, and increasing the risk of a crash.
Remedy
The body control module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed January 23, 2023. Owners may contact GMC customer service at 1-888-988-7267, Chevrolet customer service at 1-800-222-1020, or Cadillac custo... Read more
740,108 vehicles affected
Manufacturer: General Motors, LLC
21V611000 Aug 5, 2021
AIR BAGS
Defect Description
General Motors, LLC. (GM) is recalling certain 2020-2022 Cadillac CT4 and CT5 vehicles. The roof rail side-curtain air bags may not have been installed correctly, which could result in an improper air bag deployment during a crash.
Consequence
Air bags that do not deploy properly can increase the risk of injury in a crash.
Remedy
Dealers will inspect both left and right-side roof rail air bags and reinstall the air bags, as necessary, free of charge. Owner notification letters were mailed on August 30, 2021. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is N212342780.
34,157 vehicles affected
Manufacturer: General Motors, LLC
21V421000 Jun 10, 2021
ELECTRICAL SYSTEM:SOFTWARE
Defect Description
General Motors, LLC (GM) is recalling certain 2021 Buick Envision, Cadillac CT4, CT5, Escalade, Escalade ESV, Chevrolet Tahoe, Corvette, Suburban, GMC Yukon, Yukon XL vehicles. The communications gateway module incorrectly processes a loss of communication with the sensing diagnostic module (SDM), ... Read more
Consequence
The air bag malfunction indicator light may fail to warn the driver of a problem with the air bag, increasing the risk of injury.
Remedy
The communications gateway module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed on July 1, 2021. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrol... Read more
285,622 vehicles affected
Manufacturer: General Motors, LLC

Complaint Statistics

12 total complaints 1 crashes

Top Reported Components

ComponentComplaints
UNKNOWN OR OTHER2
TIRES:SIDEWALL1
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING1
LANE DEPARTURE: BLIND SPOT DETECTION1
STRUCTURE:BODY1
VEHICLE SPEED CONTROL1
SUSPENSION1
FUEL/PROPULSION SYSTEM1
ELECTRICAL SYSTEM1
EXTERIOR LIGHTING1
ELECTRICAL SYSTEM Jun 29, 2026
Incident date: Jun 17, 2026
On the night of [XXX], the vehicle was plugged in to AC charge at my home charging at 7.5kw (32 amps/240 volts). The next morning, the dedicated breaker to the EVSE was tripped, and the EVSE was damaged and unusable upon resetting the breaker. The car had charged approximately 20% before cutting off... Read more
EXTERIOR LIGHTING Jun 29, 2026
Incident date: Jun 17, 2026
The contact owns a 2023 Toyota Tundra. The contact received notifications of NHTSA Campaign Numbers: 25V322000 (Exterior Lighting) and 25V767000 (Engine and Engine Cooling); however, the parts to do the recall repairs were not yet available. The contact stated that the check engine warning light was... Read more
ENGINE AND ENGINE COOLING Jun 29, 2026
Incident date: Jun 17, 2026
The contact owns a 2023 Toyota Tundra. The contact received notifications of NHTSA Campaign Numbers: 25V322000 (Exterior Lighting) and 25V767000 (Engine and Engine Cooling); however, the parts to do the recall repairs were not yet available. The contact stated that the check engine warning light was... Read more
FUEL/PROPULSION SYSTEM May 31, 2026
Incident date: May 1, 2026
Check engine light for P1467 on a 2021 CT4 V. This is for a "purge pump underspeed" issue. The issue is known on CT4 Cadillacs and has an active recall out: N242441120 Evaporative Emissions Purge Pump. This recall is only for the 2.0, LSY engines, but the much more uncommon 2.7, L3B engine in my ca... Read more
UNKNOWN OR OTHER Aug 27, 2025
Incident date: Jul 31, 2025
I WAS DRIVING FOR LESS THAN TEN MINUTES ON AN EXPRESSWAY WHEN MY KIA SOUL SHUT DOWN. I HAD JUST CHANGED LANES. FORTUNATELY, I HAD MOVED TO THE FAR LEFT WHICH WAS ADJACENT TO THE EMERGENCY LANE PRIOR TO THE SHUT DOWN. I WAS ABLE TO STEER THE CAR TO THAT AREA AND BRAKE. THE CAR HAD COMPLETELY SHU... Read more
SUSPENSION Apr 16, 2025
Incident date: Nov 4, 2024
1).Engine stopped on Interstate hiway with just 2024 miles. Towed to Chevy dealer. New engine installed. Upon return of car emission system failure. 2) Car delivered with defective windshield with major (crackle) throughout very distracting at sunrise/sunset. Replacement not much better.
STRUCTURE:BODY Apr 30, 2024
Incident date: Oct 6, 2023
So i was using my car daily for go to work and I was on the highway and they happened a accident in front of me so I have to slow down due to the accident i was going 70 miles per hour and when made a hard break my car turn sideways due to the rear subframe was broke and I dint even notice that the ... Read more
VEHICLE SPEED CONTROL Apr 30, 2024
Incident date: Oct 6, 2023
I just bought mach E. [XXX] I was in car line at Macdonalds to get food for my 14 year old son. The speeded itself to full speed. I luckily had both hands on wheel. I turned car to left away from car in front of me. Luckily I was able to put my foot on brakes and able to stop the car but not befor... Read more
Crash
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING Jan 24, 2024
Incident date: Jan 22, 2024
Automatic Emergency Braking Passenger Side Air Bag Smart Cruise Control System Backup Camera Forward Collision Warning Lane Departure Warning System Head lights blinked on occasion and others all stopped working at the same time which makes the vehicle unsafe to drive. Took it into the dealer and... Read more
LANE DEPARTURE: BLIND SPOT DETECTION Jan 24, 2024
Incident date: Jan 22, 2024
Automatic Emergency Braking Passenger Side Air Bag Smart Cruise Control System Backup Camera Forward Collision Warning Lane Departure Warning System Head lights blinked on occasion and others all stopped working at the same time which makes the vehicle unsafe to drive. Took it into the dealer and... Read more
UNKNOWN OR OTHER Jan 24, 2024
Incident date: Jan 22, 2024
Car has 125,000 mi on it. This will be the 3rd catalytic converter in 2 years. Second one was March of 2022. I have excessive oil consumption (1QT every other week). Which I believe causes the exhaust system to clog. It’s an engine flaw design I believe. The issues isn’t the converter but the o... Read more
TIRES:SIDEWALL Jun 23, 2022
Incident date: Jun 12, 2022
235 40 80 run flat Both front and rear passenger tires no damage to rim less that 10k miles

NHTSA Safety Ratings, 2021 CADILLAC CT4

2021 Cadillac CT4 4 DR AWD

CategoryRating
Rollover Risk 0.0%

Safety Technology

FeatureStatus
Electronic Stability ControlStandard
Forward Collision WarningStandard
Lane Departure WarningOptional

Source: NHTSA 5-Star Safety Ratings Program. Ratings are based on crash tests conducted by the National Highway Traffic Safety Administration.

EPA Fuel Economy, 2021 CADILLAC CT4

Trim / Engine City MPG Highway MPG Combined MPG Fuel Type Annual Fuel Cost
2.7L 4-cyl, Automatic (S10) (Rear-Wheel Drive) 21.0 31.0 25.0 Premium $3,050
2.0L 4-cyl, Automatic (S8) (Rear-Wheel Drive) 23.0 34.0 27.0 Premium $2,800

CO2 Emissions: 356.0 g/mile (Compact Cars)

Source: U.S. Environmental Protection Agency (EPA). Actual fuel economy may vary based on driving conditions.

Technical Service Bulletins, 2021 CADILLAC CT4

822 manufacturer communications from 421 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.

Most Affected Components

ComponentBulletins
350000 EQUIPMENT123
110000 ELECTRICAL SYSTEM115
060000 ENGINE AND ENGINE COOLING92
100000 POWER TRAIN79
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL52
200000 WHEELS30
160000 STRUCTURE20
190000 TIRES16
00-03-10-006P Apr 18, 2024
200000 WHEELS
This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
23-NA-064 Apr 16, 2024
350000 EQUIPMENT
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
23-NA-064 Apr 16, 2024
110000 ELECTRICAL SYSTEM
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
20-NA-132 Apr 10, 2024
350000 EQUIPMENT
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
20-NA-132 Apr 10, 2024
110000 ELECTRICAL SYSTEM
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
17-NA-052 Apr 8, 2024
350000 EQUIPMENT
This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.
17-NA-052 Apr 8, 2024
200000 WHEELS
This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.
10-08-45-001H Mar 28, 2024
110000 ELECTRICAL SYSTEM
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
20-NA-132 Mar 26, 2024
118000 ELECTRICAL SYSTEM:SOFTWARE
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
20-NA-132 Mar 26, 2024
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
20-NA-132 Mar 26, 2024
350000 EQUIPMENT
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
20-NA-132 Mar 26, 2024
111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
20-NA-132 Mar 26, 2024
110000 ELECTRICAL SYSTEM
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
21-NA-281 Mar 25, 2024
100000 POWER TRAIN
This service bulletin provides diagnostic information for technicians in cases of an ETRS system fault or a no start condition - If the vehicle needs to be moved, it is recommended to use wheel dollies, tire skates or the NEW Manual Park Re
23-NA-103 Mar 21, 2024
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).
24-NA-060 Mar 20, 2024
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This service bulletin provides repair information to correct a customer concerns of Radio Software issues.
24-NA-060 Mar 20, 2024
350000 EQUIPMENT
This service bulletin provides repair information to correct a customer concerns of Radio Software issues.
24-NA-060 Mar 20, 2024
110000 ELECTRICAL SYSTEM
This service bulletin provides repair information to correct a customer concerns of Radio Software issues.
22-NA-028 Mar 13, 2024
100000 POWER TRAIN
This service bulletin provides a repair procedure to correct a customer concern of a Whining/Whirring, Whistle, Squeaking, Groaning/Growling Noise Coming from Front Wheel/Engine Area.
16-NA-383 Mar 13, 2024
060000 ENGINE AND ENGINE COOLING
This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels shou
PIT5832L Mar 11, 2024
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
07-00-89-037S Mar 11, 2024
350000 EQUIPMENT
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
11-00-89-005X Mar 10, 2024
350000 EQUIPMENT
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
PIP5843D Mar 6, 2024
120000 EXTERIOR LIGHTING
This Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp (MIL) Illuminated During Cold Ambient Temperatures with DTCs P30C3 and/or P30BF P30C7 P30CB Setting.
PIP5863B Mar 5, 2024
120000 EXTERIOR LIGHTING
This Preliminary information communicates to dealers? information related to a Malfunction Indicator Lamp (MIL) Illuminated due to a U0672 setting. Advises the technician to perform Electric Engine Coolant Pump connection inspections. To cl
PIP5863B Mar 5, 2024
070000 FUEL SYSTEM, GASOLINE
This Preliminary information communicates to dealers? information related to a Malfunction Indicator Lamp (MIL) Illuminated due to a U0672 setting. Advises the technician to perform Electric Engine Coolant Pump connection inspections. To cl
PIP5863B Mar 5, 2024
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicates to dealers? information related to a Malfunction Indicator Lamp (MIL) Illuminated due to a U0672 setting. Advises the technician to perform Electric Engine Coolant Pump connection inspections. To cl
PIP5596A Mar 4, 2024
030000 BRAKES (PWS)
This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.
PIP5596A Mar 4, 2024
070000 FUEL SYSTEM, GASOLINE
This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.
24-NA-040 Mar 4, 2024
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.
17-NA-073 Mar 1, 2024
980000 UNKNOWN OR OTHER
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
PIE0782 Mar 1, 2024
060000 ENGINE AND ENGINE COOLING
This engineering information (EI Lite) is requesting technicians use the FPR App process in regard to finding coolant leaking around the Coolant Control Valve (CCV).
PIP5968 Feb 27, 2024
100000 POWER TRAIN
This Preliminary information communicates to have the dealer contact TAC with the transmission TUN number prior to transmission installation.
PIP5966 Feb 23, 2024
100000 POWER TRAIN
This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
22-NA-074 Feb 22, 2024
060000 ENGINE AND ENGINE COOLING
This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
20-NA-018 Feb 14, 2024
350000 EQUIPMENT
This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP).
20-NA-018 Feb 14, 2024
110000 ELECTRICAL SYSTEM
This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP).
16-NA-222 Feb 7, 2024
060000 ENGINE AND ENGINE COOLING
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
19-NA-044 Feb 7, 2024
070000 FUEL SYSTEM, GASOLINE
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
19-NA-044 Feb 7, 2024
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
16-NA-338 Feb 2, 2024
100000 POWER TRAIN
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle
16-NA-338 Feb 2, 2024
060000 ENGINE AND ENGINE COOLING
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle
PIT6097C Jan 31, 2024
353000 EQUIPMENT:ELECTRICAL
This Preliminary information communicates an issue where the vehicles wireless charger no longer works with certain ISO updates on Apple 15 phones and advises customer to update their phone to the lastest ISO update.
23-NA-055 Jan 30, 2024
350000 EQUIPMENT
This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) a?? FAQs.
23-NA-055 Jan 30, 2024
110000 ELECTRICAL SYSTEM
This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) a?? FAQs.
23-NA-189 Jan 29, 2024
350000 EQUIPMENT
This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present o
23-NA-189 Jan 29, 2024
110000 ELECTRICAL SYSTEM
This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present o
23-NA-214 Jan 26, 2024
060000 ENGINE AND ENGINE COOLING
This service bulletin provides Information on Purge Pump Part Replacement and Purge pump Part Number Interchangeability.
PI0281K Jan 18, 2024
160000 STRUCTURE
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
22-NA-246 Jan 18, 2024
100000 POWER TRAIN
This service bulletin advises the technician that the possible cause may not be from a faulty clutch piston or extension housing and to perform testing on transmission for other possible issues, but it still may be possible on high mileage
18-NA-099 Jan 16, 2024
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
PI1394B Jan 12, 2024
100000 POWER TRAIN
This PI bulletin advises the technician on the proper way to install the pistons in an engine.
PI1394B Jan 12, 2024
060000 ENGINE AND ENGINE COOLING
This PI bulletin advises the technician on the proper way to install the pistons in an engine.
PIP5601B Jan 12, 2024
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Di
02-08-42-001J Jan 12, 2024
120000 EXTERIOR LIGHTING
This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.
PIT6084A Jan 12, 2024
353600 EQUIPMENT:ELECTRICAL:INFOTAINMENT
This PI states that a vehicle may exhibit a concern of the cross traffic alert indicators not displaying on the radio screen. While this is a customer dissatisfier, it does not pose a safety concern due to the fact that the customer will st
PIC6536 Jan 10, 2024
016000 STEERING:ELECTRIC POWER ASSIST SYSTEM
This Preliminary information communicates to the technicians some additional diagnostic steps to perform if they encounter a no crank condition and/or loss of power steering.
PI0592I Jan 8, 2024
110000 ELECTRICAL SYSTEM
This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
PIP5841D Jan 5, 2024
100000 POWER TRAIN
This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
16-NA-361 Dec 20, 2023
350000 EQUIPMENT
This service bulletin provides service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle.
16-NA-361 Dec 20, 2023
100000 POWER TRAIN
This service bulletin provides service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle.
PIT5074P Dec 18, 2023
350000 EQUIPMENT
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking
PIT5962A Dec 15, 2023
110220 ELECTRICAL SYSTEM:HAND HEATER:WIRING HARNESS
This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
PIT5962A Dec 15, 2023
980000 UNKNOWN OR OTHER
This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
PIT6097B Dec 13, 2023
353650 EQUIPMENT:ELECTRICAL:WIRELESS CHARGER/CRADLE
This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the latest ISO update on Apple 15 phones.
PIT6097B Dec 13, 2023
353000 EQUIPMENT:ELECTRICAL
This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the latest ISO update on Apple 15 phones.
N222371151-12 Dec 13, 2023
010000 STEERING
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the heat feature on the steering wheel is not functional on certain vehicles listed above, built beginning November 17, 2021. The affected vehicle owners shou
23-NA-219 Dec 12, 2023
350000 EQUIPMENT
This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
23-NA-219 Dec 12, 2023
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
20-NA-132 Dec 8, 2023
060000 ENGINE AND ENGINE COOLING
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
PIT6097A Dec 8, 2023
353650 EQUIPMENT:ELECTRICAL:WIRELESS CHARGER/CRADLE
This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the lastest ISO update on Apple 15 phones.
20-NA-132 Dec 8, 2023
110000 ELECTRICAL SYSTEM
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
20-NA-132 Dec 8, 2023
350000 EQUIPMENT
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
23-NA-214 Dec 7, 2023
060000 ENGINE AND ENGINE COOLING
This informational bulletin provides Information on Purge Pump Part Replacement and Purge Part Number Interchange.
PIT6097 Dec 6, 2023
353610 EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE
This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the lastest ISO update on Apple 15 phones.
PIT6097 Dec 6, 2023
353600 EQUIPMENT:ELECTRICAL:INFOTAINMENT
This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the lastest ISO update on Apple 15 phones.
PIT5851D Dec 5, 2023
117100 ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER
This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue.
N232412712 Dec 5, 2023
061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
Service Update - Certain vehicles with a 2.0L engine have an Engine Control Module (ECM) that may not properly diagnose, may not set Diagnostic Trouble Codes (DTCs), or may not illuminate the Malfunction Indicator Light (Check Engine Light)
N232412712 Dec 5, 2023
110000 ELECTRICAL SYSTEM
Service Update - Certain vehicles with a 2.0L engine have an Engine Control Module (ECM) that may not properly diagnose, may not set Diagnostic Trouble Codes (DTCs), or may not illuminate the Malfunction Indicator Light (Check Engine Light)
N232412712 Dec 5, 2023
060000 ENGINE AND ENGINE COOLING
Service Update - Certain vehicles with a 2.0L engine have an Engine Control Module (ECM) that may not properly diagnose, may not set Diagnostic Trouble Codes (DTCs), or may not illuminate the Malfunction Indicator Light (Check Engine Light)
20-NA-018 Nov 30, 2023
110000 ELECTRICAL SYSTEM
This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP).
20-NA-018 Nov 30, 2023
350000 EQUIPMENT
This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP).
PIP5700E Nov 27, 2023
110000 ELECTRICAL SYSTEM
This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Technicians are to refer to the inf
17-NA-087 Nov 17, 2023
010000 STEERING
This service bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or Right, Wanders, Follows Depressions in Road Surface, Tramlining.
17-NA-087 Nov 17, 2023
020000 SUSPENSION
This service bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or Right, Wanders, Follows Depressions in Road Surface, Tramlining.
17-NA-087 Nov 17, 2023
200000 WHEELS
This service bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or Right, Wanders, Follows Depressions in Road Surface, Tramlining.
PIT5985C Nov 17, 2023
100000 POWER TRAIN
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update.
21-NA-135 Nov 16, 2023
350000 EQUIPMENT
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
21-NA-135 Nov 16, 2023
120000 EXTERIOR LIGHTING
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
21-NA-135 Nov 16, 2023
110000 ELECTRICAL SYSTEM
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
21-NA-135 Nov 16, 2023
060000 ENGINE AND ENGINE COOLING
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
23-NA-206 Nov 15, 2023
350000 EQUIPMENT
This service bulletin provides information for dealers/technicians on History DTCs To Ignore / NO SES / NO Malfunction Indicator Lamps / NO Warning Messages.
23-NA-206 Nov 15, 2023
110000 ELECTRICAL SYSTEM
This service bulletin provides information for dealers/technicians on History DTCs To Ignore / NO SES / NO Malfunction Indicator Lamps / NO Warning Messages.
PIT5214F Nov 14, 2023
020000 SUSPENSION
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the
PIT5832K Nov 14, 2023
100000 POWER TRAIN
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIT6084 Nov 7, 2023
353600 EQUIPMENT:ELECTRICAL:INFOTAINMENT
This PI states that a vehicle may exhibit a concern of the cross traffic alert indicators not displaying on the radio screen. While this is a customer dissatisfier, it does not pose a safety concern due to the fact that the customer will st
03-00-91-001I Nov 6, 2023
010000 STEERING
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.
03-00-91-001I Nov 6, 2023
100000 POWER TRAIN
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.
03-00-91-001I Nov 6, 2023
200000 WHEELS
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.
03-00-91-001I Nov 6, 2023
060000 ENGINE AND ENGINE COOLING
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.

Showing 100 of 822 bulletins.

NHTSA Safety Investigations, CADILLAC CT4

Investigations opened by NHTSA into potential safety defects. These are separate from recalls and may or may not result in a recall.

PE21010 Opened: Apr 9, 2021 , Closed: Aug 24, 2023
PE, Closed , Model Year: 2020
Air Bag Malfunction
On April 9, 2021, the Office of Defects Investigations (ODI) opened PE21-010 to investigate instances of air bag malfunction indicator light (MIL) illumination and potential for frontal air bag non-deployment in several vehicles manufactured by General Motors (GM). The vehicles included model year (... Read more

CADILLAC CT4 - All Years Overview

Complete safety history for the CADILLAC CT4 across all model years (2020, 2023).

11 Total Recalls
56 Total Complaints
1 Investigations
3 Reported Crashes
0 Reported Fires
0 Reported Deaths

CADILLAC CT4 - Year by Year

Compare recalls and complaints across model years. Click any year to see full details.

Year Recalls Complaints
2025 0 3 View
2024 0 11 View
2023 1 7 View
2022 2 15 View
2021 (current) 4 12
2020 4 8 View

Other CADILLAC Models

Model Recalls Complaints
ESCALADE 163 2,182 View
ESCALADE ESV 128 666 View
CTS 64 3,088 View
ESCALADE EXT 63 126 View
DEVILLE 59 3,662 View
FLEETWOOD 50 265 View
SEVILLE 46 1,049 View
BROUGHAM 46 69 View