Chevrolet TSB #18NA103
2011 Chevrolet Silverado 1500 Hybrid
Affected Component: EXTERIOR LIGHTING
- Summary
- This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel in cold temperatures.