14652 - special coverage. on some 2010-2012 model year chevrolet express and gmc savana vehicles and...
Chevrolet technical service bulletin 14652 for 2011-2012 Chevrolet Silverado 1500, 2011-2012 GMC Sierra 1500 and 2011-2012 Chevrolet Silverado 2500 and others.
- Bulletin number
- 14652
- Component
- Engine
- Summary
- 14652 - special coverage. On some 2010-2012 model year chevrolet express and gmc savana vehicles and 2011-2012 model year chevrolet silverado hd and gmc sierra hd vehicles that are equipped with a 6.6l diesel engine (lml/lgh), a malfunction-indicator light (mil) may illuminate due to an offset in the temperature sensor in the diesel-emission-reduction fluid (def) tank reservoir, increased tank-heater resistance, or reductant-system performance. Dealers are to replace the def tank reservoir and/or supply module pump.
Owners of these vehicles have filed 144 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 1500 2011-2012 20112012
- GMC Sierra 1500 2011-2012 20112012
- Chevrolet Silverado 2500 2011-2012 20112012
- GMC Sierra 2500 2011-2012 20112012
- Chevrolet Silverado 3500 2011-2012 20112012
- Chevrolet Express 2010-2012 201020112012
- GMC Sierra 3500 2011-2012 20112012
- GMC Savana 1500 2010-2012 201020112012
- GMC Savana 3500 2010-2012 201020112012
- GMC Savana 2500 2010-2012 201020112012
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