P046C Diagnostic Trouble Code Discussion for November 2016
EGR Position Sensor Performance
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| Help Request | Posted | |
| 2013 GMC Sierra 2500 HD SLE 6.6L MIL Lamp on VIN: 1GT220C84D P046C: egr position sensor performance. ... are unable to get the vehicle to act up. Most recent history codes as of 10/31/16 are: P06A3 5 volt reference circuit 4, P0406 egr position sensor circuit high voltage, P140B egr slow response-increasing flow, P24C4 undocumented code egr cooler bypass exce... |
November 02, 2016 |
