
2011 Chevrolet Silverado 3500 HD LT 6.6L MIL Lamp on
I have this 2011 Chevy 3500 6.6L Dmax that has DEF problems. It kept setting P20EE and P249D. It will set into a power cut down mode and the truck will only run 55 mph. I checked a few things and did a ECM reflash. This seemed to fix the truck... until the nex...
FIX posted 9/3/2013
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Message Closed w/FIX
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VIN | 1GC5K0C85B |
Engine | 6.6 L / 8 cyl / DIESEL |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Message Closed w/FIX
Vehicle Data
2011 Chevrolet Silverado 3500 HD LT
VIN | 1GC5K0C85B |
Engine | 6.6 L / 8 cyl / DIESEL |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |