2013 GMC Sierra 2500 HD Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2013 GMC Sierra 2500 HD

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2013 GMC Sierra 2500 HD Problems

Improper HVAC Temperature and/or Air Delivery Due to Failed Mode Door Actuator

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 in the HVAC control module which should assist in diagnoses.

Speedometer or Other Instrument Panel Gauge May Work Erratically

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. The warranty has been extended on some of these units to 7 years or 70,000 miles.

Service 4WD Message May be Displayed

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 be of assistance in determining the exact fault causing the message to be displayed.

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2013 GMC Sierra 2500 HD Questions

Android app is not longer working. Just shows "resyncing data" until i close it out. (1 answer)

Can't get the app to get past "resyncing data"......... uninstalled and reinstalled and still no luck regardless of if i'm on wifi or not. Any suggestions would be appreciated. Online version working fine though!

The light on the 4wd switch is not coming on. The code on the scan tool is U0102 (2 answers)

What needs to be done. I am a tech in Ghana, there is no dealer out here. It is a Denali HD 2013 model 6.0l 6spd tranny, with only 5000 miles. Any help will be appreciated.

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2013 GMC Sierra 2500 HD Recalls

The Fuel Gauge Reading May Be Incorrect

Vehicles equipped with a 6.6L diesel engine and dual fuel tanks are being recalled because the transfer pump that moves fuel from the rear tank to the front tank could cause the fuel gauge in show the incorrect fuel level. The engine could stall unexpectedly, increasing the risk of a crash. Dealers will inspect the fuel transfer pump and replace it as necessary to correct this concern. 

CNG Only Label Too Small

The label that indicates "CNG Fuel Only" is too small. Owners of affected vehicles will receive replacement labels from General Motors, and dealers can help with installation, free of charge to resolve the concern.

Potential Failure of the Transmission Shift Interlock System

All late model vehicles are equipped with a "Shift interlock" system that prevents vehicles with and automatic transmission from being shifted out of the Park position under certain conditions. Some of these vehicles are being recalled because they may have been assembled with a broken park lock cable or a malformed steering column lock actuator gear. Failure of these components can allow the shifter to be moved out of the Park position with the ignition key removed or in the off position. This can cause the vehicle to roll away unexpectedly increasing the risk of injury or a crash. Dealers will inspect the recalled vehicles and replace the steering column as necessary.



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