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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

N232424790 Dec 5, 2023
CADILLAC — ESCALADE, ESCALADE ESV, SUBURBAN, TAHOE, YUKON, YUKON XL (2023) — 12 vehicle combinations
350000 EQUIPMENT
Customer Satisfaction Program - Certain vehicles may have a standard sill plate installed in the cargo area but were invoiced for a lighted sill plate. Dealers will provide the customer with a reimbursement check in the amount of $495.00 U
N232412712 Dec 5, 2023
CADILLAC — CT4, CT5 (2021) — 6 vehicle combinations
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)
PIE0768 Dec 4, 2023
CADILLAC — LYRIQ (2024) — 6 vehicle combinations
110000 ELECTRICAL SYSTEM
This Engineering Information (EI) notifies dealers that a condition may exist when updating the VCU with the latest software.
N23-G170AA Dec 4, 2023
CADILLAC — XT4 (2024)
280100 BACK OVER PREVENTION:SOFTWARE
a?? This update contains a required software change to help improve the overall software update and diagnostics process. a?? Be sure to install this update to be able to receive future software updates a?? Before you start the update, m
PIT6092 Nov 30, 2023
CADILLAC — BLAZER EV, CANYON, COLORADO, LYRIQ, SILVERADO EV, XT4 (2023–2024) — 7 vehicle combinations
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This Preliminary information communicates to general motor technicians that this concern can happen once the radio is factory reset. GM is aware of this and have provided a work around but is still developing the repair.
PIE0759C Nov 28, 2023
CADILLAC — LYRIQ (2023–2024) — 6 vehicle combinations
110000 ELECTRICAL SYSTEM
This engineering information (EI) closure ends the need for gathering further information from technicians in regard to the Malfunction Indicator Lamp (MIL) being illuminated on Driver Information Center (DIC), A/C not blowing cold air and/
PIP5700E Nov 27, 2023
CADILLAC — ATS, CAMARO, CANYON, COLORADO, CORVETTE, CT4, CT6, CTS, ESCALADE ESV, EXPRESS, SAVANA, SIERRA 1500, SIERRA 2500, SILVERADO 1500, SILVERADO 2500, SILVERADO LT, YUKON DENALI (2015–2021) — 64 vehicle combinations
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
23-NA-210 Nov 27, 2023
CADILLAC — CT4, CT5, ESCALADE, ESCALADE ESV, SIERRA 1500, SILVERADO 1500 (2023–2024) — 22 vehicle combinations
100000 POWER TRAIN
This bulletin provides a procedure to perform a diagnostic check to verify if DTCs P18AE and/or P0700 Set returns when reset and to clear the codes and validate code does not set again.
PIE0766A Nov 20, 2023
CADILLAC — ESCALADE, ESCALADE ESV, SUBURBAN, SUBURBAN 1500, TAHOE, YUKON, YUKON XL, YUKON XL 1500 (2023) — 16 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This engineering information (EI) closure ends the need to gather further information from technicians in regard to having a No Crank, No Start, Check Engine Lamp illuminated on Driver Information Center (DIC), DTC P062B Set.
PIE0759B Nov 16, 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
PIT6087 Nov 15, 2023
CADILLAC — ESCALADE ESV, SUBURBAN, TAHOE, YUKON XL (2021–2023) — 12 vehicle combinations
280000 BACK OVER PREVENTION
This Preliminary information communicates the proper installation of the Left and Right Side Obstacle Detection Control Modules
PIC6529 Nov 15, 2023
CADILLAC — BLAZER EV, LYRIQ (2023–2024) — 3 vehicle combinations
160000 STRUCTURE
This Preliminary information communicates to the technician how to address Hvac Temperature door issues and associated Service vehicle soon light. Summary: if concern is still present after loosening actuator and relearning then Hvac case
23-NA-206 Nov 15, 2023
CADILLAC — CORVETTE, CT4, CT5, ESCALADE, ESCALADE ESV, SUBURBAN, SUBURBAN 1500, YUKON, YUKON XL, YUKON XL 1500 (2020–2023) — 64 vehicle combinations
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.
PIE0766 Nov 13, 2023
CADILLAC — ESCALADE, ESCALADE ESV, SUBURBAN, SUBURBAN 1500, TAHOE, YUKON, YUKON XL, YUKON XL 1500 (2023) — 16 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to having a No Crank, No Start, Check Engine Lamp illuminated on Driver Informat
N232414770 Nov 8, 2023
CADILLAC — LYRIQ (2024) — 8 vehicle combinations
110000 ELECTRICAL SYSTEM
Service Update - Certain vehicles may have a condition where the wires to a coolant sensor could create stress at the connector. Dealers are to perform a Harness Clip adjustment.
PIT6083 Nov 3, 2023
CADILLAC — LYRIQ (2024)
110000 ELECTRICAL SYSTEM
This Preliminary information communicates to the dealers that the code of P1AEE, P0C76, P0AA4, P0D09, P0D10 AND OR U35BC that can be set for extended charge times with out charge cord plug cycling from vehicle. Engineering is aware of this
PIP5949 Nov 3, 2023
CADILLAC — ESCALADE, SIERRA 1500, SIERRA 2500, SILVERADO 1500, SILVERADO 2500, SUBURBAN, TAHOE, YUKON (2019–2023) — 26 vehicle combinations
100000 POWER TRAIN
This Preliminary information communicates to the dealer, a potential rough running condition following an autostop event that is caused by the incorrect crankshaft position sensor.
PIP5859C Nov 3, 2023
CADILLAC — LYRIQ (2023–2024) — 4 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary information communicates that the High Voltage Battery pack is on TAC restriction where TAC will Authorize the full HV Battery pack Exchange with Engineering Review needed.
PIE0744A Nov 1, 2023
CADILLAC — CT4, CT5 (2022–2023) — 4 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This engineering information (EI) closure ends the need for gathering further information from technicians in regard to an abnormal engine noise heard and/or engine stalls and will not restart.
PIC6527 Nov 1, 2023
CADILLAC — LYRIQ (2023–2024) — 2 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary information communicates that a U018B maybe found setting current or history, do not diagnose, the module is not used on 23 and 24 model years.
PIE0765 Oct 26, 2023
CADILLAC — ESCALADE, ESCALADE ESV (2023) — 4 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to comments on rattle type noise heard from rear of vehicle.
PIC6525 Oct 26, 2023
CADILLAC — LYRIQ (2023)
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This Preliminary information communicates to dealership technicians that this could be a radio software concern that caused this issue. Follow normal SI diagnostics if Google services are not operational. This PI will be updated with furthe
PIT6081 Oct 25, 2023
CADILLAC — ESCALADE, SUBURBAN, TAHOE, YUKON (2022) — 8 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary information communicates information to check park assist sensor wiring for any circuit faults after installing park assist control module and system not working after retrofit.
PIT6077 Oct 24, 2023
CADILLAC — ESCALADE ESV, SUBURBAN, TAHOE, YUKON XL (2021–2023) — 12 vehicle combinations
063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
This Preliminary information communicates an issue with the exhaust tailpipe tip misaligned and dealership are to replace the muffler.
PIC6517B Oct 24, 2023
CADILLAC — LYRIQ (2023–2024) — 4 vehicle combinations
180000 VEHICLE SPEED CONTROL
This Preliminary information communicates that a service door latch system message maybe displayed without any related DTC's.
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