
2011 GMC Sierra 3500 HD SLE 6.6L MIL Lamp on
I have codes listed, but most of all I need your help on the outside air temperature sensor (OAT) before I start on the other codes. The MDI shows the PID for the outside air temperature at -40 degrees when in engine data. I checked the sensor resistance/t...
FIX posted 10/29/2020
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Message Closed w/FIX
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VIN | 1GD523CL2B |
Engine | 6.6 L / 8 cyl / DIESEL |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection / Diesel |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
B0158 | Outside Air Temperature Sensor Circuit Short to Ground |
P0401 | EGR System Insufficient Flow Detected |
P046C | EGR Position Sensor Performance |
P20EE | P20EE NOx Catalyst Efficiency Below Threshold |
Message Closed w/FIX
Vehicle Data
2011 GMC Sierra 3500 HD SLE
VIN | 1GD523CL2B |
Engine | 6.6 L / 8 cyl / DIESEL |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection / Diesel |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
B0158 | Outside Air Temperature Sensor Circuit Short to Ground |
P0401 | EGR System Insufficient Flow Detected |
P046C | EGR Position Sensor Performance |
P20EE | P20EE NOx Catalyst Efficiency Below Threshold |