Close

2012 GMC Sierra 1500 Problems

Find the most common issues based on 2012 GMC Sierra 1500 owner complaints.
Tap theto learn more about the most common 2012 GMC Sierra 1500 problems.

Most Common 2012 GMC Sierra 1500 Problems

The 4WD transfer case encoder motor position sensor or the selector switch may fail causing the service 4WD message to be displayed. Fault code(s) stored in the transfer case control module will ...
One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code(s) should be stored...
It is common for the fuel level sensor in the fuel tank read the fuel level incorrectly. The sensor must be replaced to correct the condition. Our technicians recommend having the complete fuel pum...
Get a Repair Estimate
Guaranteed by certified locations nationwide. Learn more
RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
Looking for a particular 2012 GMC Sierra 1500 problem?

0 Known 2012 GMC Sierra 1500 Brakes Problems

1 Known 2012 GMC Sierra 1500 Drive Train Problem

The 4WD transfer case encoder motor position sensor or the selector switch may fail causing the service 4WD message to be displayed. Fault code(s) stored in the transfer case control module will ...

2 Known 2012 GMC Sierra 1500 Electrical & Lights Problems

It is common for the fuel level sensor in the fuel tank read the fuel level incorrectly. The sensor must be replaced to correct the condition. Our technicians recommend having the complete fuel pum...
The speedometer or other instrument panel gauge may begin to work erratically at times. Our technicians tell us that the instrument cluster must be sent to a repair facility to correct this fault. ...

1 Known 2012 GMC Sierra 1500 Engine Problem

The GMC Sierra 1500 uses a throttle position sensor (TPS) which commonly fails and causes: Check engine light illumination Reduced Power message OBD trouble code P2135 This issue is related...

1 Known 2012 GMC Sierra 1500 Exhaust & Emissions Problem

The GMC Sierra 1500 is known to have issues with the EVAP system, a part of your emission control system. The EVAP canister vent valve or valve solenoid wiring may fail causing illumination of the...

1 Known 2012 GMC Sierra 1500 Heating & Air Conditioning Problem

One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code(s) should be stored...

0 Known 2012 GMC Sierra 1500 Maintenance Problems

2 Known 2012 GMC Sierra 1500 Miscellaneous Problems

The inside door handles are prone to breaking.

1 Known 2012 GMC Sierra 1500 Suspension & Steering Problem

The steering wheel position sensor may fail, resulting in the service stability message being displayed.

9
Known 2012 GMC Sierra 1500 Problems & Complaints

The speedometer or other instrument panel gauge may begin to work erratically at times. Our technicians tell us that the instrument cluster must be sent to a repair facility to correct this fault. ...
It is common for the fuel level sensor in the fuel tank read the fuel level incorrectly. The sensor must be replaced to correct the condition. Our technicians recommend having the complete fuel pum...
One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code(s) should be stored...
The 4WD transfer case encoder motor position sensor or the selector switch may fail causing the service 4WD message to be displayed. Fault code(s) stored in the transfer case control module will ...
The inside door handles are prone to breaking.
The GMC Sierra 1500 uses a throttle position sensor (TPS) which commonly fails and causes: Check engine light illumination Reduced Power message OBD trouble code P2135 This issue is related...
The GMC Sierra 1500 is known to have issues with the EVAP system, a part of your emission control system. The EVAP canister vent valve or valve solenoid wiring may fail causing illumination of the...
The steering wheel position sensor may fail, resulting in the service stability message being displayed.
Get a Repair Estimate
Guaranteed by certified locations nationwide. Learn more
RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
Researching a 2012 GMC Sierra 1500?
Get maintenance costs, reviews, recalls and more.