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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

PIT5790B Jun 10, 2021
CADILLAC — ACADIA, BLAZER, CAMARO, CANYON, COLORADO, CT6, EQUINOX, MALIBU, SIERRA 1500, SILVERADO 1500, TERRAIN, VOLT, XT4 (2019–2021) — 23 vehicle combinations
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This Preliminary information communicates a concern where the radio will reboot when adjusting the volume intermittently and that engineering is investigating.
PIE0625A Jun 10, 2021
CADILLAC — CORVETTE, ESCALADE, ESCALADE ESV, SIERRA 1500, SIERRA 2500, SILVERADO 1500, SILVERADO 2500, SUBURBAN, TAHOE, YUKON, YUKON XL (2020–2021) — 16 vehicle combinations
126000 EXTERIOR LIGHTING:TURN SIGNAL
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on a turn signal not canceling and/or mis-canceling.
PIC6435B Jun 9, 2021
CADILLAC — XTS (2013–2014) — 6 vehicle combinations
121000 EXTERIOR LIGHTING:HEADLIGHTS
This Preliminary information communicates that U1523 may set after right headlamp replacement due to a part issue. Engineering is looking into the concern.
N212332820 Jun 9, 2021
CADILLAC — CORVETTE, SIERRA 1500, SILVERADO 1500, XT4 (2021) — 12 vehicle combinations
118000 ELECTRICAL SYSTEM:SOFTWARE
Service Update. Certain vehicles may not be able to access Apps. A most notable improvement list this software update may correct is located at the end of this bulletin for conditions or concerns a customer may experience. Dealers will re
21NA132 Jun 9, 2021
CADILLAC — ESCALADE, ESCALADE ESV, SIERRA 1500, SILVERADO 1500, SUBURBAN, TAHOE, YUKON, YUKON XL (2021) — 8 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This informational bulletin provides Changes to the Automatic Stop/Start feature for Certain 2021 Escalade models, Silverado 1500, Suburban, Tahoe, Sierra 1500, Yukon models Equipped with RPO NSS.
PIC6427B Jun 8, 2021
CADILLAC — CT4 (2021)
221600 SEATS:FRONT ASSEMBLY:POWER ADJUST
This Preliminary information communicates that some vehicles may have been built with missing circuits to the drivers seat haptic motors. Engineering is aware of the issue and a Bulletin will be released in the future.
21NA129 Jun 8, 2021
CADILLAC — ESCALADE, ESCALADE ESV, SUBURBAN, TAHOE, YUKON, YUKON XL (2021) — 12 vehicle combinations
170000 LATCHES/LOCKS/LINKAGES
This technical bulletin provides repair information to correct a customer concern of rear seat (60 Percent) and/or (40 Percent) chucking movement, and noise is present at rear latch to striker.
21NA095 Jun 7, 2021
CADILLAC — ESCALADE, ESCALADE ESV, SIERRA 1500, SILVERADO 1500, SUBURBAN, TAHOE, YUKON, YUKON XL (2020–2022) — 68 vehicle combinations
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
This technical bulletin provides a procedure to seal the exhaust at the UFSCR and Tailpipe flange.
PIE0616B Jun 4, 2021
CADILLAC — XT5, XT6 (2020–2021) — 8 vehicle combinations
118530 ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:WARNING
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).
PIP5792B Jun 3, 2021
CADILLAC — ESCALADE, SIERRA 1500, SIERRA 2500, SILVERADO 1500, SILVERADO 2500, SUBURBAN, TAHOE, YUKON (2021) — 16 vehicle combinations
070000 FUEL SYSTEM, GASOLINE
This Preliminary information communicates to the dealer technician that if a customer comments that their vehicle equipped with a 6L80, 6L90, 8L90, 10L80, or 10L1000 transmission has a harsh shift, shudder, stall or high transmission fluid
PIE0641 Jun 2, 2021
CADILLAC — ACADIA, XT5 (2021) — 6 vehicle combinations
130000 VISIBILITY
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a front windshield or the rear wiper washer hose having repair issues.
21NA126 Jun 1, 2021
CADILLAC — ESCALADE, ESCALADE ESV, SUBURBAN, TAHOE, YUKON, YUKON XL (2021) — 12 vehicle combinations
110000 ELECTRICAL SYSTEM
This technical bulletin provides repair information to correct a customer concern of Rear Access Open Message Illuminated in DIC when Liftgate is Closed.
21NA127 Jun 1, 2021
CADILLAC — XT4, XT5, XT6 (2019–2022) — 34 vehicle combinations
118000 ELECTRICAL SYSTEM:SOFTWARE
This technical bulletin provides repair information to correct a customer concern of Head Up Display (HUD) Blank, Non-Responsive to Brightness, Aim, or Page Controls, DTC U1518 Set.
PIP5752M Jun 1, 2021
CADILLAC — CAMARO, CORVETTE, ESCALADE, SIERRA 1500, SIERRA 2500, SILVERADO 1500, SILVERADO 2500, SUBURBAN, TAHOE, YUKON (2020–2021) — 11 vehicle combinations
280000 BACK OVER PREVENTION
This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern
N212330830 Jun 1, 2021
CADILLAC — CT4, CT5 (2021) — 6 vehicle combinations
110000 ELECTRICAL SYSTEM
Service Update. Certain vehicles may have had incorrect parameters set in the One Time Programable (OTP) Chip area to initialize GPS Navigation System correctly once installed or assembled into the vehicle during manufacturing of the cente
PIE0614A May 28, 2021
CADILLAC — CT4, CT5 (2020–2021) — 4 vehicle combinations
020000 SUSPENSION
This engineering information (EI) closure ends the need for further information from the field in regards to a popping and/or thump type noise heard from the front suspension during sharp turns and/or while backing out.
21NA130 May 28, 2021
CADILLAC — CT4, CT5 (2020–2021) — 8 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This service bulletin provides a repair procedure to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated, DTC P31E8, P31DB, P31D4 and/or P31E2 Set.
PIT5403H May 25, 2021
CADILLAC — AVALANCHE, ESCALADE, ESCALADE EXT, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SUBURBAN, TAHOE, YUKON DENALI, YUKON XL (2007–2021) — 208 vehicle combinations
020000 SUSPENSION
This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related t
PIC6392C May 25, 2021
CADILLAC — CORVETTE, CT4, CT5 (2020) — 3 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary information communicates a parts restriction is in place for the Sensing and Diagnostic Module on 2020 Cadillac CT4, CT5 and Chevrolet Corvette.
PIT5681B May 25, 2021
CADILLAC — ESCALADE, SIERRA 1500, SILVERADO 1500, SUBURBAN, TAHOE, YUKON (2014–2021) — 44 vehicle combinations
030000 BRAKES (PWS)
This Preliminary information communicates the location of the GM Accessory Performance Brake System Rotor Specifications
PIP5806 May 24, 2021
CADILLAC — ESCALADE ESV, SIERRA 1500, SIERRA 2500, SILVERADO 1500, SILVERADO 2500, SUBURBAN, TAHOE, YUKON XL (2020–2021) — 8 vehicle combinations
110000 ELECTRICAL SYSTEM
This preliminary information bulletin instructs to technicians to use the Picoscope or a make physical inspection to check for a suspected bent target wheel on the camshaft.
PIP5792A May 21, 2021
CADILLAC — ESCALADE, SIERRA 1500, SIERRA 2500, SILVERADO 1500, SILVERADO 2500, SUBURBAN, TAHOE, YUKON (2021) — 16 vehicle combinations
070000 FUEL SYSTEM, GASOLINE
This Preliminary information communicates to the dealer technician that if a customer comments that their vehicle equipped with a 6L80, 6L90, 8L90, 10L80, or 10L1000 transmission has a harsh shift, shudder or stall concern they should inspe
PIE0547B May 20, 2021
CADILLAC — XT5, XT6 (2020–2021) — 4 vehicle combinations
110000 ELECTRICAL SYSTEM
This engineering information (EI) is asking dealers that if you encounter a vehicle with an issue that is caused by wire, connector, or terminal damage or an incorrect wire harness routing issue that drives a warrantable item type of repair
21NA118 May 19, 2021
CADILLAC — ACADIA, BLAZER, XT5, XT6 (2020–2021) — 16 vehicle combinations
060000 ENGINE (PWS)
This technical bulletin provides a procedure to align the exhaust causing a vibration.
PIE0635A May 19, 2021
CADILLAC — CT5 (2021)
030000 BRAKES (PWS)
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a squeak and/or squeal type noise heard during brake apply.
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