6.4L - DTCS P0645 To P1621
- DTC Troubleshooting
- P0645 A/C Control Circuit/Open
- P0652 Sensor Reference Voltage 2 Circuit Low
- P0653 Sensor Reference Voltage 2 Circuit High
- P0685 ASD / Main Control Circuit
- P0688 ASD / Main Sense Circuit
- P0850 Park / Neutral Switch Performance
- P1004 Short Runner Valve Control Performance
- P1115 General Temperature Rationality
- P1128-00 Closed-Loop Fueling Not Achieved - Bank 1 Upstream
- P1129 Closed-Loop Fueling Not Achieved - Bank 2
- P1217 Active Exhaust Valve 1 Performance
- P121B Active Exhaust Valve 2 Performance
- P1239 Engine Oil Temperature Too Low
- P1300 Crankshaft Position Learn Out Of Range
- P1400 Aftermarket Calibration Detected / Warranty Coverage Confirmation Required
- P1411 Cylinder 1 Reactivation Control Performance
- P1414 Cylinder 4 Reactivation Control Performance
- P1416 Cylinder 6 Reactivation Control Performance
- P1417 Cylinder 7 Reactivation Control Performance
- P1456 Fuel Tank Pressure Sensor Circuit Low
- P1457 Fuel Tank Pressure Sensor Circuit High
- P1524 Oil Pressure Out Of Range - Camshaft Advance / Retard Disabled
- P1572 Brake Pedal Stuck On
- P1573 Brake Pedal Stuck Off
- P1593 Speed Control Switch 1/2 Stuck
- P1618 Sensor Reference Voltage 1 Erratic
- P1621 O2 Sensor Reference Voltage Circuit Low