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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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Related Documents & Media | 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 |
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