P0687 Jeep
Engine Control Module Power Relay Control Circuit High
Jeep
P0688 Jeep
Auto Shutdown Relay Control Circuit Open
P0685 Jeep
Auto Shutdown Relay Control Circuit Failure
P0686 Jeep
Engine Control Module Power Relay Control Circuit Low
P0657 Jeep
Solenoid Supply Voltage Circuit
P0660 Jeep
Manifold Tune Solenoid Circuit Condition
P0652 Jeep
5 Volt Sensor Reference 2 Circuit Low
P0653 Jeep
5 Volt Sensor Reference 2 Circuit High
P0646 Jeep
Low Voltage Detected At The AC Clutch Relay
P0647 Jeep
High Voltage Detected At The AC Clutch Relay