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2012 Gm G4500

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

About this comparison →
1Owner complaints

Model-year median: 0

1Recall campaigns

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0Investigations

View investigation details →

How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

Engine
1Service Brakes
1Steering
1

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 0 of 1 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Engine. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Steering. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports0 fire reports0 injury reports

Service Brakes complaints

1 reports
Clear category filter
Mileage unknown · Jul 3, 2025
EngineService BrakesSteering

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 befo…

Read full complaint

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 attempting restart multiple times there were no alarm/warning/engine lights come on. This is the cab to a class c motorhome.

NHTSA ODI #11670994

Official recalls

1

15V213000 · Electrical System:wiring; Equipment:appliance:air Conditioner

Apr 10, 2015

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.

Consequence & remedy

Consequence: 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.

Remedy: 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.

Additional source detail variants (2)

Equipment:appliance:air Conditioner

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.

Consequence: 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.

Remedy: 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.

Electrical System:wiring

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.

Consequence: 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.

Remedy: 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.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.