Technical Service Bulletins
Search 172,063 manufacturer communications covering 880 vehicle makes from 1955 to 2025.
Showing 722 bulletins for GMC
23-NA-039
Mar 14, 2023
135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
This technical bulletin provides a provides a procedure to replace the mirror caps for a condition of Outside Rearview Mirrors Incorrect Color.
PIT5911A
Mar 13, 2023
020000 SUSPENSION
This Preliminary information communicates to the field that engineering contacts to assist in the diagnosis of Suspension concerns on the new 2022-2023 HUMMER EV.
N222377150
Mar 6, 2023
135000 VISIBILITY:REARVIEW MIRRORS/DEVICES
Service Update. Certain vehicles were built with body color external mirrors instead of high gloss black as part of the Midnight package. Dealers are to install the correct left and right outside rear view mirror housing upper covers.
PIT5988
Feb 22, 2023
110000 ELECTRICAL SYSTEM
This Preliminary information communicates, that is is Possible to plug in 2 A/C sesnors into the wrong harness.
PIE0726A
Feb 16, 2023
060000 ENGINE AND ENGINE COOLING
This engineering information (EI) closure ends the need for information from technicians in regards to the check engine lamp illuminated on driver information center (DIC).
PIE0736
Feb 10, 2023
110000 ELECTRICAL SYSTEM
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the power tonneau cover being inoperable.
PIT5964
Jan 4, 2023
110000 ELECTRICAL SYSTEM
This Preliminary information communicates to the field how to address a condition twhere the lightening control module locks up and causes the exterior lighting flickering every 8 seconds and you will notice the windshield wipers and the tu
PIT5876B
Jan 4, 2023
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Preliminary information communicates to GM dealeer that GM engineering is aware of and working on a solution to the map pop up concern
22-NA-039
Dec 15, 2022
160000 STRUCTURE
This informational bulletin provides information for dealers/technicians on front license plate adapter bracket installation during PDI.
N222384660
Nov 22, 2022
220000 SEATS
Customer Satisfaction Program. Certain vehicles, equipped with ventilated seats (RPO KQV), may have been built with a non-functional drivera??s seat cushion ventilation blower. Dealers are to replace the non-functional drivera??s seat cush
PIE0726
Nov 16, 2022
060000 ENGINE AND ENGINE COOLING
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the check engine lamp illuminated on driver information center (DIC).
PIT5944
Sep 15, 2022
118000 ELECTRICAL SYSTEM:SOFTWARE
This Preliminary information communicates to the field how to address a condition that was caused by a over the air update.
22-NA-180
Sep 2, 2022
110000 ELECTRICAL SYSTEM
This technical bulletin provides repair information to correct a customer concern of Unwanted Voice Recognition Activation.
N222375410
Aug 15, 2022
110000 ELECTRICAL SYSTEM
Customer Satisfaction Program. Certain vehicles were invoiced with an accessory fog lamp kit that was not available at the time of vehicle purchase. Dealers will provide the customer with a reimbursement check in the amount of $460 USD.
N222370180
Aug 4, 2022
110000 ELECTRICAL SYSTEM
Certain 2022 model year GMC Acadia vehicles may have a condition in which the incorrect calibration was programmed into the Instrument Cluster at the assembly plant. Dealers will perform a Configuration and Setup on the Instrument Cluster.
PIT5933
Jul 28, 2022
162300 STRUCTURE:BODY:DOOR
This Preliminary information communicates how to repair a loose trim bolt cap on the front door panels of the 2022 HUMMER EV.
22-NA-145
Jul 27, 2022
356000 EQUIPMENT ADAPTIVE/MOBILITY
This technical bulletin provides repair information to correct a customer concern of Super Cruise Enhancement: Trailering and Active Lane Change.
22-NA-144
Jul 19, 2022
110000 ELECTRICAL SYSTEM
This service bulletin provides a repair procedure to correct customer concerns of Power Windows, Door Locks and Outside Mirrors Inoperative, Unwanted Theft Alarm Activation, Random Messages Displayed on Driver Information Center (DIC).
N222367510
Jul 5, 2022
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
Certain vehicles, equipped with Accessory Exhaust Upgrade, (RPO WBC), may cause damage to the rear fascia. Dealers will replace the exhaust, and if necessary, replace the rear fascia, parking sensor and wiring if damaged. Dealers will als
N222367511
Jul 5, 2022
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
Certain vehicles equipped with Accessory Exhaust Upgrade, (RPO WBC), may cause damage to the rear fascia. Dealers will inspect the exhaust and replace if necessary. The rear fascia, parking sensor and wiring will be replaced, if damaged.
PIT5925
Jul 1, 2022
062000 ENGINE AND ENGINE COOLING:COOLING SYSTEM
This Preliminary information communicates to the field that water hitting the cooling fans can set a false DTC: P0494 for the new 2022 HUMMER EV.
N222360900
Jul 1, 2022
020000 SUSPENSION
Customer Satisfaction Program. This bulletin contains the service procedure to enable Extract Mode on certain vehicles. This service procedure also corrects a potential calibration error that can cause a Service Leveling System message to
PIT5878B
Jun 29, 2022
138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
This Preliminary information communicates to the field engineering contacts to assist in the diagnosis of HVAC concerns on the new 2022 HUMMER EV and the 2023 LYRIC.
22-NA-125
Jun 21, 2022
350000 EQUIPMENT
This informational bulletin advises the tech of a slight modification that may be need to a cargo loop bezel if found when installing to be tight in the panel.
PIT5924
Jun 17, 2022
284100 BACK OVER PREVENTION:DISPLAY FUNCTION
This Preliminary information communicates to dealer that GM Engineering is working on a resolution to this concern.