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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 722 bulletins for GMC

PIT5872A Jan 19, 2022
GMC — HUMMER EV (2022) — 2 vehicle combinations
060000 ENGINE (PWS)
This Preliminary information communicates to the field a norml charteristic of the vehicle and advises the field not to replace any parts for this concern.
PIT5878 Dec 17, 2021
GMC — HUMMER EV (2022)
357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER
This Preliminary information communicates to the field engineering contacts to assist in the diagnosis of HVAC concerns on the new 2022 HUMMER EV.
PIT5872 Dec 17, 2021
GMC — HUMMER EV (2022)
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Preliminary information communicates to the field a norml charteristic of the vehicle and advises the field not to replace any parts for this concern.
PIT5859 Dec 17, 2021
GMC — HUMMER EV (2022) — 3 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary information communicates that Parts that the ECS are on Restriction
21NA295 Dec 17, 2021
GMC — HUMMER EV (2022)
160000 STRUCTURE
This informational bulletin provides information on the new HUMMER EV.
21NA294 Dec 17, 2021
GMC — HUMMER EV (2022) — 2 vehicle combinations
200000 WHEELS
This informational bulletin provides information for dealers/technicians on accessory rocker panel protector lower bolts bottom out before achieving torque.
21NA216 Dec 17, 2021
GMC — HUMMER EV (2022) — 2 vehicle combinations
152400 SEAT BELTS:REAR/OTHER:BUCKLE ASSEMBLY
This informational bulletin provides information for dealers/technicians on rear seat belt opening bezel service part not seating flush with C-pillar trim when installed.
120089002E Nov 17, 2021
GMC — GENERAL MOTORS
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This service bulletin provides the dealer with information on what to do when requesting a new key code for the customer.
21NA190 Nov 10, 2021
GMC — BRIGHTDROP EV600 (2022)
350000 EQUIPMENT
This informational bulletin provides information for dealers/technicians on Front License Plate Installation.
080310006H Nov 5, 2021
GMC — GM — 2 vehicle combinations
199000 TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS
This service bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bea
N212340732 Jun 23, 2021
GMC — CANYON (2021)
355100 EQUIPMENT:OTHER:LABELS
Service Update. Certain vehicles may have the fuel economy incorrectly noted on the Monroney label. In addition, the vehicle loading weight specification is incorrectly noted on the Tire and Loading Information label. Dealers will replace
N212340733 Jun 23, 2021
GMC — CANYON (2021) — 2 vehicle combinations
190000 TIRES
Service Update. Certain vehicles may have their vehicle loading weight specification incorrectly noted on the Tire and Loading Information label. Dealers will add the Cargo Carrying Capacity Reduced label.
N212340731 Jun 21, 2021
GMC — CANYON (2021)
355100 EQUIPMENT:OTHER:LABELS
Service Update. Certain vehicles may have the fuel economy incorrectly noted on the Monroney label. Dealers will replace the Monroney label.
PIP5808 Jun 8, 2021
GMC — SIERRA 1500, SIERRA 2500 (2020–2021) — 2 vehicle combinations
280000 BACK OVER PREVENTION
This Preliminary information communicates to technicians to replace the ECM and affected sensor if diagnostics leads to replacement of the ECM.
N212334550 May 26, 2021
GMC — CANYON (2021)
117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
Customer Satisfaction Program. Certain vehicles with black rectangular or round tubular assist step accessories (RPO RVP/RVS) may also have had a double charge applied for the off-road rocker panel protector (RPO S6L) at the time of purchas
PIC6425D Apr 1, 2021
GMC — ACADIA (2021)
280100 BACK OVER PREVENTION:SOFTWARE
This Preliminary information communicates A list of software concerns and advises that engineering is working on a resolution. This PI will be changed to a bulletin once the Software is released.
N212330530 Mar 18, 2021
GMC — SIERRA 2500, SIERRA 3500 (2021) — 2 vehicle combinations
200000 WHEELS
Customer Satisfaction Program. Certain vehicles may have had a double charge applied for the 20-inch aluminum wheels with accents at the time of vehicle purchase. Dealers will provide the customer with a reimbursement check in the amount of
N202324240 Mar 4, 2021
GMC — ACADIA (2021) — 2 vehicle combinations
110000 ELECTRICAL SYSTEM
Customer Satisfaction Program. Certain vehicles were built with front floor consoles that are missing the switches for the front heated and ventilated seat, and the rear heated seat. Dealers are to replace the front floor console.
N232329330 Mar 1, 2021
GMC — SIERRA 1500 (2021)
350000 EQUIPMENT
Customer Satisfaction Program. Certain vehicles may have a cargo tie down ring made incorrectly available for ordering at the time of vehicle purchase. This cargo tie down ring accessory (RPO 5VI) is only designed to work with a Steel Bed
21NA013 Jan 22, 2021
GMC — TERRAIN (2020–2021) — 6 vehicle combinations
114000 ELECTRICAL SYSTEM:WIRING
This technical bulletin provides repair information to correct a customer concern of a rattle or ticking noise heard coming from B-Pillar area.
N202322140 Jan 7, 2021
GMC — ACADIA (2021) — 4 vehicle combinations
010000 STEERING
Customer Satisfaction Program - certain vehicles may have been built with the incorrect steering wheel airbag coil that does not contain circuitry for the heated steering wheel. This condition does not impact the airbag?s ability to operat
N202320350 Jan 5, 2021
GMC — ACADIA (2021)
350000 EQUIPMENT
Service Update. On certain vehicles, the center consoles may have been assembled with harnesses missing two wires that connect the lane keep assist system to the disable switch. The lane keep assist will continue to be active and cannot b
PIE0578C Dec 17, 2020
GMC — SIERRA 1500 (2020) — 6 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 Slow Start and/or No Start, Battery Message Indicated, having to jump star
20NA226 Dec 16, 2020
GMC — ACADIA (2020–2021) — 7 vehicle combinations
220000 SEATS
This technical bulletin provides repair information to correct a customer concern of finding a mis-matched stitching color on a front seat head restraint.
SB09-J-002F Dec 2, 2020
GMC — C SERIES, F-SERIES, N SERIES, N-SERIES, T6500, T7500, T8500, W-SERIES (2005–2021) — 80 vehicle combinations
030000 SERVICE BRAKES, HYDRAULIC
AN EGR COOLER TESTER WAS PROVIDED TO DEALERS IN JUNE 2009 TO DIAGNOSE EGR COOLER LEAKS ON ALL ISUZU DIESEL ENGINES EQUIPPED WITH AN EGR COOLER. THIS TESTER CONSISTS OF A PRESSURE REGULATOR ASSEMBLY J-46091-1 AND ADAPTERS EN-48974-5, EN-489
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