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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

20NA216 Nov 6, 2020
GMC — ACADIA (2020) — 3 vehicle combinations
110000 ELECTRICAL SYSTEM
This technical bulletin provides repair information to correct a customer concern of the front sunroof window intermittently does not open or close, and/or binds and closes at an angle.
PIT5738A Oct 8, 2020
GMC — ACADIA (2020–2021) — 2 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary information communicates DRL circuit #309, gray wire at X104 may have a poor connection due to a backed-out terminal or the wire being pulled too tight.
IB07X003M Oct 1, 2020
GMC — W-SERIES (2007–2010) — 4 vehicle combinations
350000 EQUIPMENT
REPLACEMENT KEY CUTTING.
PIE0578B Sep 23, 2020
GMC — SIERRA 1500 (2020) — 3 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
20NA183 Sep 9, 2020
GMC — SIERRA 1500 (2020) — 2 vehicle combinations
160000 STRUCTURE
This technical bulletin provides repair information to correct a customer concern of seeing that the Summit White paint on front impact bar appears off-color, slightly yellow.
N202310870 Aug 18, 2020
GMC — YUKON (2021) — 2 vehicle combinations
160000 STRUCTURE
Service Update Bulletin. Certain vehicles may have a standoff flange on the front license plate mounting bracket that is too long and may interfere with the front fascia when being installed. The license plate bracket can be installed but
IB07-X-003L Aug 12, 2020
GMC — F SERIES, H SERIES, N SERIES, W-SERIES (2007–2010) — 7 vehicle combinations
350000 EQUIPMENT
THE VEHICLE KEY HAS BEEN IMPROVED IN THE ABOVE AFFECTED VEHICLES. THE KEY DESIGN IS MORE ROBUST AND THE NUMBER OF CUTS IN THE KEY HAS BEEN INCREASED. AS A RESULT, IMPORTANT INFORMATION IS PROVIDED IN THIS BULLETIN TO ASSIST DEALERS AND CU
PIE0578A Aug 6, 2020
GMC — SIERRA 1500 (2020)
110000 ELECTRICAL SYSTEM
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
PIT5758A Jul 30, 2020
GMC — YUKON (2021) — 2 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary information communicates an issues with front park assist false alerts caused by a software issues. Engineering has released updated software.
20NA147 Jul 23, 2020
GMC — TERRAIN (2018–2020) — 3 vehicle combinations
160000 STRUCTURE
This technical bulletin provides repair information to correct a customer concern of finding a sharp edge on the lower outboard corner of a front side door lower molding.
PIT5758 Jul 10, 2020
GMC — YUKON, YUKON XL (2021) — 2 vehicle combinations
118510 ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE
This Preliminary information communicates an issues with front park assist false alerts caused by a software issues. Engineering is working on new software to correct this concern.
PIT5757 Jul 10, 2020
GMC — YUKON, YUKON XL (2021) — 6 vehicle combinations
162000 STRUCTURE:BODY
This Preliminary information communicates and issue with the front License Plate Bracket not fitting to the fascia correctly and advises dealership how to correct the fit issue.
N182180270 01 May 15, 2020
GMC — YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2015–2017) — 24 vehicle combinations
120000 EXTERIOR LIGHTING
Special Coverage. On some 2015-2017 model year GMC Yukon, Yukon XL, Yukon Denali, and Yukon Denali XL vehicles, stop and tail functions inside the tail lamps may become inoperative. Dealers are to replace tail lamps if they are found to b
20NA095 Apr 28, 2020
GMC — SIERRA 1500, SIERRA 2500 (2019–2020) — 6 vehicle combinations
160000 STRUCTURE
This informational bulletin is advising dealers to replace the grilles due to rust.
PIT5738 Mar 30, 2020
GMC — ACADIA (2020)
114000 ELECTRICAL SYSTEM:WIRING
This Preliminary information communicates DRL circuit #309, gray wire at X104 may have a poor connection due to a backed-out terminal or the wire being pulled too tight.
N192282710 Mar 5, 2020
GMC — YUKON, YUKON XL (2020) — 2 vehicle combinations
130000 VISIBILITY
Customer Satisfaction Program - Certain vehicles may have a condition in which the wrong front fascia grille and fog lamp bezels were installed on the vehicle. Dealers are to replace the grille and fog lamp bezels.
20NA035 Mar 4, 2020
GMC — SIERRA 2500, SIERRA 3500 (2020) — 2 vehicle combinations
162800 STRUCTURE:BODY:HOOD
This technical bulletin provides repair information to correct a customer concern of hearing a wind whistle noise from front of vehicle while driving.
HT-03.03.2020 Mar 3, 2020
GMC — SIERRA 1500, SIERRA 2500, SIERRA 3500 (2019–2020) — 6 vehicle combinations
110000 ELECTRICAL SYSTEM
Hypertech Inline Speedometer Calibrator Module Installation Instructions
N192287890 Feb 19, 2020
GMC — ACADIA (2020)
060000 ENGINE AND ENGINE COOLING
Service Update - On certain 2020 model year GMC Acadia vehicles, equipped with a 2.5L engine (RPO LCV), the dash panel silencer attachment stud may lack sufficient clearance to the intake manifold resonator. When the engine is under load,
N192281640 Feb 13, 2020
GMC — TERRAIN (2020) — 2 vehicle combinations
162900 STRUCTURE:BODY:ROOF AND PILLARS
Customer Satisfaction Program - Certain vehicles may have a condition where the owner manual lists an incorrect roof cargo load specification. Customers will receive an owner manual insert notifying them of the update on the roof cargo lo
N192287850 Feb 10, 2020
GMC — ACADIA (2020) — 3 vehicle combinations
110000 ELECTRICAL SYSTEM
Customer Satisfaction Program - Certain 2020 model year GMC Acadia vehicles without a sunroof, equipped with an Infotainment system (RPO IOU), and Universal Garage Door Opener (RPO UG1), may have been built with an export version of the uni
N192282190 Feb 7, 2020
GMC — SIERRA 2500, SIERRA 3500 (2019) — 4 vehicle combinations
260000 FORWARD COLLISION AVOIDANCE
Customer Satisfaction Program - Certain 2019 model year GMC Sierra 2500/3500 vehicles, may have incorrect language in the Forward Auto Braking (FAB) section of the owner manual which states, ?If the vehicle has Forward Collision Alert (FCA)
19NA261 Dec 18, 2019
GMC — ACADIA (2020)
353000 EQUIPMENT:ELECTRICAL
This technical bulletin provides repair information to correct a customer concern of the Universal Garage Door Opener will not program.
19NA199 Dec 10, 2019
GMC — ACADIA (2020)
110000 ELECTRICAL SYSTEM
This informational bulletin provides information to give the customer the option of replacing the 2020 model year antenna and base, with the 2019 model year antenna.
N182180270 Nov 26, 2019
GMC — YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2015–2017) — 52 vehicle combinations
110000 ELECTRICAL SYSTEM
N182180270 - Special Coverage - On some 2015-2016 model year GMC Yukon, Yukon XL, Yukon Denali, and Yukon Denali XL vehicles, stop and tail functions inside the tail lamps may become inoperative. Dealers are to replace tail lamps if they a
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