P20BD GMC
Reductant Heater ‘B’ Control Circuit/Open
GMC
P20BB GMC
Reductant Heater ‘A’ Control Circuit Low
P20BC GMC
Reductant Heater ‘A’ Control Circuit High
P20B9 GMC
Reductant Heater ‘A’ Control Circuit/Open
P20BA GMC
Reductant Heater ‘A’ Control Circuit Performance
P209D GMC
Reductant Injection Air Pressure Sensor ‘B’ Circuit High
P209E GMC
Reductant Injection Air Pressure Sensor ‘A’/’B’ Correlation
P209B GMC
Reductant Injection Air Pressure Sensor ‘B’ Circuit Range/Performance
P209C GMC
Reductant Injection Air Pressure Sensor ‘B’ Circuit Low
P2096 GMC
Post Catalyst Fuel Trim System Too Lean Bank 1