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Technical Service Bulletins

Search 172,063 manufacturer communications covering 880 vehicle makes from 1955 to 2025.

172,063 Unique Bulletins
4,727,244 Total Records
880 Vehicle Makes
1955–2025 Year Range
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Showing 5,824 bulletins for CADILLAC

PIC6443 Aug 10, 2021
CADILLAC — CT4, CT5, ESCALADE, ESCALADE ESV (2021) — 4 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary information communicates a condtion with service parts and a software anomaly that does not allow them to be programmed to the vehicle. The S165 Infotainment switch inventory will be reworked and released back to service.
PIT5807A Aug 9, 2021
CADILLAC — ESCALADE ESV, SUBURBAN, TAHOE, YUKON XL (2021) — 8 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary information communicates and issue with unwanted content theft alarm going off for no reason and to reprogram the BCM to correct the issue.
PIP5806B Aug 6, 2021
CADILLAC — ESCALADE ESV, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, TAHOE, YUKON XL (2020–2021) — 16 vehicle combinations
060000 ENGINE (PWS)
This preliminary information bulletin instructs to technicians to check the trigger wheel for interfering with the timing chain, and adding a shim to the camshaft position sensor.
PIT5821A Jul 26, 2021
CADILLAC — AVALANCHE, ESCALADE ESV, SIERRA 1500, SILVERADO 1500, SUBURBAN, TAHOE, YUKON DENALI, YUKON XL (2007–2014) — 53 vehicle combinations
140110 AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE:SOFTWARE
This Preliminary information communicates information on a parts restrictions for the passenger air bag.
PIC6442 Jul 26, 2021
CADILLAC — CT4, CT5 (2020–2021) — 4 vehicle combinations
119121 ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY THERMAL:MANAGEMENT:SOFTWARE
This Preliminary information communicates that a condition exits that can cause the Drivers Information Center to be blank on startup and Engineering is investigating the concern.
PIT5509H Jul 22, 2021
CADILLAC — CANYON, COLORADO, ESCALADE ESV, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, TAHOE, YUKON DENALI, YUKON XL (2014–2022) — 271 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a
N212331730 Jul 19, 2021
CADILLAC — ESCALADE (2021) — 3 vehicle combinations
110000 ELECTRICAL SYSTEM
Service update. Certain vehicles may have a condition where the telematic control module does not receive the over the air update. Dealers are to replace the telematic control module.
PIP5776F Jul 19, 2021
CADILLAC — ESCALADE, SIERRA 1500, SILVERADO 1500, SUBURBAN, TAHOE, YUKON (2020–2021) — 16 vehicle combinations
060000 ENGINE (PWS)
This Preliminary information communicates that a vehicle may exhibit a misfire condition resulting in misfire codes P0300-P308. Upon diagnosis it may be discovered the lifter has come apart. It is recommended to replace the lifter guide an
PIT5846 Jul 15, 2021
CADILLAC — 9-4X, SRX (2010–2016) — 18 vehicle combinations
020000 SUSPENSION
This preliminary information discusses possible rear suspension issues caused by a rear toe adjustment link.
PIP5811 Jul 15, 2021
CADILLAC — ESCALADE, SIERRA 1500, SILVERADO 1500, SUBURBAN, TAHOE, YUKON (2014–2020) — 108 vehicle combinations
060000 ENGINE (PWS)
This Preliminary information communicates to dealers an issue on remanufactured engines with part numbers 19368174 and 19368176 where the incorrect crankshaft timing gear was installed. Provides dealer with information to correct this cond
N202318000 Jul 14, 2021
CADILLAC — CT6 (2017–2018) — 6 vehicle combinations
100000 POWER TRAIN
Service Update. Certain vehicles may have a condition where the transmission wiring harness may have a faulty thermistor crimp. Dealers are to replace the transmission wiring harness.
PIC6440 Jul 1, 2021
CADILLAC — CT6 (2018–2020) — 6 vehicle combinations
138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
This Preliminary information communicates that a calibration change was made starting with the 2018 model year so that the rear HVAC fan speed will also control the front fan speed.
21NA149 Jun 29, 2021
CADILLAC — ESCALADE, ESCALADE ESV, SIERRA 1500, SILVERADO 1500, SUBURBAN, TAHOE, YUKON, YUKON XL (2019–2022) — 56 vehicle combinations
060000 ENGINE (PWS)
This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing.
21NA119 Jun 29, 2021
CADILLAC — ESCALADE, ESCALADE ESV, SUBURBAN, TAHOE, YUKON, YUKON XL (2021) — 6 vehicle combinations
199000 TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS
This technical bulletin provides repair information to correct a customer concern of Tire Pressure Monitor System Sensors Display Dashes with Trailer Connected.
PIT5700C Jun 28, 2021
CADILLAC — ACADIA, BLAZER, XT5 (2017–2021) — 22 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary information communicates that a vehicle may come to the dealer with a "service front camera" message. The technician is instructed to use the data bus tool to determine if the front view camera module and active safety modu
PIT5845 Jun 25, 2021
CADILLAC — ACADIA, BLAZER, XT5, XT6, XTS (2019–2021) — 36 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary information communicates information to diagnose adaptive cruse with DTC U0422 in the EBCM.
PIE0635B Jun 25, 2021
CADILLAC — CT5 (2021)
030000 BRAKES (PWS)
This engineering information (EI) closure ends the need for further information from the field in regards to a squeak and/or squeal type noise heard during brake apply.
PIE0621A Jun 25, 2021
CADILLAC — CT5 (2020–2021) — 8 vehicle combinations
022520 SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY
This engineering information (EI) closure ends the need for further information from the field in regards to the Service Rear Axle or Rear Axle System Off message illuminated on the Driver Information Center (DIC).
PIE0624A Jun 25, 2021
CADILLAC — ESCALADE, ESCALADE ESV, SUBURBAN, TAHOE, YUKON, YUKON XL (2021) — 12 vehicle combinations
110000 ELECTRICAL SYSTEM
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Liftgate Ajar Lamp illuminated on Driver Information Center (DIC) with t
PIE0616C Jun 23, 2021
CADILLAC — XT5, XT6 (2020–2021) — 8 vehicle combinations
118520 ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on Service Park Assist Lamp illuminated on the Driver Information Center (DIC).
PIP5776E Jun 18, 2021
CADILLAC — ESCALADE, SIERRA 1500, SILVERADO 1500, SUBURBAN, TAHOE, YUKON (2020–2021) — 8 vehicle combinations
162000 STRUCTURE:BODY
This Preliminary information communicates that a vehicle may exhibit a misfire condition resulting in misfire codes P0300-P308. Upon diagnosis it may be discovered the lifter has come apart. It is recommended to replace the lifter guide an
PIP5806A Jun 18, 2021
CADILLAC — ESCALADE ESV, SIERRA 1500, SIERRA 2500, SILVERADO 1500, SILVERADO 2500, SUBURBAN, TAHOE, YUKON XL (2020–2021) — 16 vehicle combinations
200000 WHEELS
This preliminary information bulletin instructs to technicians to use the Picoscope or a make physical inspection to check for debris on the cam postion sensor and to check for a bent target wheel on the camshaft.
PIT5802B Jun 17, 2021
CADILLAC — ESCALADE ESV, SUBURBAN, TAHOE, YUKON XL (2021) — 4 vehicle combinations
350000 EQUIPMENT
This Preliminary information communicates an issue with the floor center console cooler being inoperative and engineering working on a root cause.
PIE0609A Jun 16, 2021
CADILLAC — ESCALADE, ESCALADE ESV, SIERRA 1500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 4500HD (2019–2021) — 44 vehicle combinations
060000 ENGINE (PWS)
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise heard from the engine compartment, loss of charging and/or reduced a
21NA137 Jun 14, 2021
CADILLAC — CT4 (2020–2021) — 2 vehicle combinations
121000 EXTERIOR LIGHTING:HEADLIGHTS
This service bulletin provides information for dealers/technicians on headlamp beam shadow appearance, and/or driver side to passenger side beam appears unlevel.
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