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2012 Gm G4500Problems, recalls & complaints

NHTSA has logged 1 owner complaint about the 2012 Gm G4500, most often about the engine. It is covered by 1 safety recall, and for recall 15V-213 the manufacturer reports only 10% of affected cars repaired.

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CarFlaw IndexNot enough dataHigher is better (0–100)
Safety recalls1Lowest repair rate 10%Owner complaints10 with a crash, fire or injuryTop problem1Engine

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through July 3, 2025. Updated daily.

Complaints by system

Where the 2012 Gm G4500 has problems

1 complaint grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Engine10
Service brakes10
Steering10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

1 recall

2012 Gm G4500 recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

10%repaired · 2016 Q3

Electrical system: wiring

Recall 15V-213 · Apr 10, 2015 · 835 vehicles · 80 repaired

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.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Gm.

Best & worst years

2012 vs. every other G4500 year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the G4500 median. How we score

'06'07'08'09'10'11'12'13'14
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
In owners' words

What G4500 owners report

Recent engine complaints filed with NHTSA, shortened. Personal details are removed.

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…
Complaint 11670994 · Jul 3, 2025

Own a 2012 G4500?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.