P20C8 GMC
Reductant Heater ‘D’ Control Circuit High
GMC
P20C5 GMC
Reductant Heater ‘D’ Control Circuit/Open
P20C6 GMC
Reductant Heater ‘D’ Control Circuit Performance
P20C2 GMC
Reductant Heater ‘C’ Control Circuit Performance
P20C3 GMC
Reductant Heater ‘C’ Control Circuit Low
P20C4 GMC
Reductant Heater ‘C’ Control Circuit High
P20C0 GMC
Reductant Heater ‘B’ Control Circuit High
P20C1 GMC
Reductant Heater ‘C’ Control Circuit/Open
P20BE GMC
Reductant Heater ‘B’ Control Circuit Performance
P20BF GMC
Reductant Heater ‘B’ Control Circuit Low