2012 Gm G4500 problems, complaints & recalls
Most-reported problem areas: Steering (1)
Safety recalls (1)
Equipment:appliance:air Conditioner 2015-04-10 · campaign 15V213000 · 835 vehicles
Defect: Trans-Air Manufacturing Corp. (Trans-Air) is recalling certain model year 2006-2014 GM G3500 and G4500 vehicles modified with Trans-Air add-on compressor mount kits, part numbers 4012506-01, 4012506-02, 4013126-01, 4013126-02, 4013235-01, 4013235-02, 4012909, 4013125, 4013222 and 717173 installed by Trans-Air personnel. After installing a compressor, a power distribution terminal strip may not have been properly reconnected.
Risk: If the power distribution terminal strip has a poor connection or a loose connection, the strip may arc or overheat, increasing the risk of a vehicle fire.
Fix: Trans-Air will notify owners, and dealers will inspect the power distribution terminal strip connection, correcting it as necessary, free of charge. The recall began on May 29, 2015. Owners may contact Trans-Air customer service at 1-800-673-2446.
Service bulletins (4)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Equipment:other:owners/Service/Other Manual 2023-04-19 · 04-00-89-015Z · Service Bulletin/Repair Instructions
this bulletin provides information on warranty administration â required operating procedures - 8 points (u.s. only).
Equipment:other:owners/Service/Other Manual 2020-04-30 · 090089002R · Service Bulletin/Repair Instructions
this informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.
Wheels 2014-07-01 · 120310001B · Service Bulletin/Repair Instructions
vibration shortly after tires are mounted/preventing vibration from wheel slip
Wheels:lugs/Nuts/Bolts/Studs 2012-12-01 · 120310002 · Service Bulletin/Repair Instructions
proper wheel installation and wheel torque techniques
What owners report
2025-07-03 · Steering“three times while driving at 50-60 miles per hour vehicle had total engine shut down. this occurred after driving approximately 2 hours. coasted to the side of the road turned key off and waited 5 minutes or so and engine restarted. the third times happened around 10 miles or 15 minutes later and took at least 20 minutes before restart. when at…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.