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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

N23-241926 Sep 18, 2023
CADILLAC — CT4, CT5 (2023) — 4 vehicle combinations
280100 BACK OVER PREVENTION:SOFTWARE
'(There may be future updates under this same release number.) Your vehicle keeps getting better. This vehicle software update includes the following: Refinements: a??Updates made to the overall vehicle software update process. Bet
23-NA-167 Sep 18, 2023
CADILLAC — ESCALADE, ESCALADE ESV, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500 (2019–2024) — 80 vehicle combinations
130000 VISIBILITY
This informational bulletin provides information on Outside Rear View Mirror Defog or Defrost Times Different for Passenger and Driver Mirrors.
23-NA-161 Sep 15, 2023
CADILLAC — XT4 (2023) — 2 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This technical bulletin provides repair information to correct a customer concern of the Cruise Control Tap to Increase Speed Does Not Match the Owner Manual.
23-NA-149 Sep 15, 2023
CADILLAC — CANYON, COLORADO, ESCALADE, ESCALADE ESV, HUMMER EV, SIERRA 2500, SIERRA 3500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO EV, SUBURBAN, SUBURBAN 1500, TAHOE, YUKON, YUKON XL, YUKON XL 1500 (2023–2024) — 114 vehicle combinations
030000 BRAKES (PWS)
This technical bulletin provides a procedure to correct the condition of Trailer Brake Disabled and/or DTC C1114 Stored During Pulling a Trailer with a Battery, Generator or Solar Charger.
PIE0761 Sep 14, 2023
CADILLAC — XT5, XT6 (2023–2024) — 6 vehicle combinations
030000 BRAKES (PWS)
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to vehicles having a grunt, grinding, and/or metal on metal type noise heard during br
23-NA-168 Sep 14, 2023
CADILLAC — LYRIQ (2024) — 2 vehicle combinations
350000 EQUIPMENT
This service bulletin provides information for dealers/technicians on the velocity IME upgrade.
23-NA-166 Sep 13, 2023
CADILLAC — LYRIQ (2024) — 2 vehicle combinations
350000 EQUIPMENT
This service bulletin provides information for dealers/technicians on themes collection IME upgrade information.
PIT5941A Sep 12, 2023
CADILLAC — ESCALADE ESV, SUBURBAN, TAHOE, YUKON, YUKON XL, YUKON XL 1500 (2021–2023) — 32 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary information communicates a issue where the rear windshield wipers will not be in the park position and will cause the rear back glass not to open with the switch or the RKE fob. This explains how to repair that concern.
23-NA-160 Sep 12, 2023
CADILLAC — LYRIQ, SILVERADO EV, XT4 (2024) — 28 vehicle combinations
110000 ELECTRICAL SYSTEM
This service bulletin provides repair information to correct a customer concern of IVD Radio Software issues.
N222395370 Sep 11, 2023
CADILLAC — CT4 (2022–2023) — 4 vehicle combinations
060000 ENGINE AND ENGINE COOLING
Customer Satisfaction Program. On certain vehicles, the engine wire harness may contact the brake line, and/or brake line coupler, and/or thermostat housing at rear/top of engine. Dealers will install an anti-abrasion sleeve and secure th
23-NA-155 Sep 11, 2023
CADILLAC — ESCALADE, ESCALADE ESV, SUBURBAN, SUBURBAN 1500, TAHOE, YUKON, YUKON XL, YUKON XL 1500 (2021–2024) — 27 vehicle combinations
350000 EQUIPMENT
This technical bulletin provides a procedure to correct the condition of Accessory Roof Rack Cross Rail, Luggage Carrier Cross Rail Key Stuck in Lock, Lock Stuck or Inoperable.
PIT5869A Sep 6, 2023
CADILLAC — ESCALADE, ESCALADE ESV, SUBURBAN, TAHOE, YUKON, YUKON XL, YUKON XL 1500 (2021–2024) — 42 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary information communicates an issues with an SES MIL, A/C blowing warm air and DTC's B1AA3 U3018 U3505 due to Fuse F4DR open. Dealers are to inspect the wiring in the front floor console.
PIE0759 Sep 5, 2023
CADILLAC — LYRIQ (2023–2024) — 9 vehicle combinations
110000 ELECTRICAL SYSTEM
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the Malfunction Indicator Lamp (MIL) being illuminated on Driver Information Center
PIC6497A Sep 5, 2023
CADILLAC — LYRIQ (2023–2024) — 2 vehicle combinations
138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
This Preliminary information communicates that a click or tick noise may be heard when adjusting HVAC temperatures.
N23-241765 Sep 4, 2023
CADILLAC — LYRIQ (2023) — 3 vehicle combinations
118910 ELECTRICAL SYSTEM:ADAS:AUTONOMOUS/SELF DRIVING:SOFTWARE
'(There may be future updates under this same release number.) Your Cadillac LYRIQ keeps getting better. This vehicle software update includes the following: Refinements: a??Updates made to the HVAC functionality to help improve air con
N23-240430 Sep 4, 2023
CADILLAC — LYRIQ (2023) — 2 vehicle combinations
110000 ELECTRICAL SYSTEM
'(There may be future updates under this same release number.) Your Cadillac LYRIQ keeps getting better. This vehicle software update includes the following: Refinements: a??Updates made to the rear camera functionality to help improve
N23-241128 Sep 1, 2023
CADILLAC — ESCALADE, SUBURBAN, TAHOE, YUKON (2022) — 8 vehicle combinations
110000 ELECTRICAL SYSTEM
'(There may be future updates under this same release number.) Your vehicle keeps getting better. This software update includes the following if your vehicle is equipped: Refinements: a??Updates made to the Super Cruise driver assista
PIT6018G Aug 31, 2023
CADILLAC — BLAZER EV, CANYON, COLORADO, LYRIQ, SILVERADO EV, XT4 (2023–2024) — 7 vehicle combinations
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Preliminary information communicates the possibility of a resetting of some information modules prior to delivery.
PIC6488F Aug 30, 2023
CADILLAC — CANYON, COLORADO, LYRIQ (2023) — 3 vehicle combinations
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This Preliminary information communicates that Serial Data Authentication is required prior to programming a replacement Radio and required sequence of programming for replacement and existing radios.
PIC6488E Aug 29, 2023
CADILLAC — CANYON, COLORADO, LYRIQ (2023) — 3 vehicle combinations
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This Preliminary information communicates that Serial Data Authentication is required prior to programming a replacement Radio and required sequence of programming for replacement and existing radios.
PIC6517A Aug 28, 2023
CADILLAC — LYRIQ (2024) — 2 vehicle combinations
180000 VEHICLE SPEED CONTROL
This Preliminary information communicates that a service door latch system message maybe displayed without any related DTC's.
N232409680 Aug 28, 2023
CADILLAC — LYRIQ (2023) — 4 vehicle combinations
060000 ENGINE AND ENGINE COOLING
Service Update. Certain vehicles may have a condition in which the charge port door could be damaged from manual operation. Dealers are to replace the Charge Port Housing.
N222392960-04 Aug 24, 2023
CADILLAC — LYRIQ (2023)
110000 ELECTRICAL SYSTEM
Customer Satisfaction Program - certain vehicles may have a condition where the Super Cruise and Surround Vision features are not activated. Dealers are to reprogram the image processing module and if necessary, reprogram the short range r
PIT6018F Aug 21, 2023
CADILLAC — CANYON, COLORADO, LYRIQ, SILVERADO EV, XT4 (2023–2024) — 6 vehicle combinations
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Preliminary information communicates the possibility of a resetting of some information modules prior to delivery.
23-NA-144 Aug 18, 2023
CADILLAC — ASTRO, AVALANCHE 1500, AVALANCHE 2500, ESCALADE, ESCALADE ESV, ESCALADE EXT 1500, EXPRESS, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, EXPRESS 4500, EXPRESS CUTAWAY, EXPRESS CUTAWAY VAN, H2, SAFARI, SAFARI (GMC), SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SIERRA 2500, SIERRA 2500 HD, SIERRA 3500, SIERRA 3500 HD, SIERRA DENALI, SILVERADO 2500, SILVERADO 2500 HD, SILVERADO 3500, SILVERADO 3500 HD, SUBURBAN, SUBURBAN 1500, SUBURBAN 2500, TAHOE, YUKON (1999–2024) — 378 vehicle combinations
030000 BRAKES (PWS)
This technical bulletin provides information and a solution to a condition of Brake Pedal Moves or Self Applies at Full Turns.
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