Diagnostic Test

WARNING: This page is about a different car, the 2014 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.

DTC IS ACTIVE
1. Ignition on, engine not running.
2. With the scan tool, erase DTCs in the PCM.
3. Start the engine and test drive the vehicle if necessary.
4. Monitor the scan tool for at least two minutes.
5. With the scan tool, select View DTCs.
  Is the status Active for this DTC?
  
  Yes
  - Go To 2
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT DTC .
CHECK THE (K366) FUEL QUANTITY SOLENOID RETURN CIRCUIT FOR A SHORT TO GROUND

Fig 1: Checking Fuel Quantity Solenoid Return Circuit For A Short To Ground
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the Fuel Quantity Solenoid harness connector.
3. Disconnect the PCM C2 harness connector.
4. Measure the resistance between ground and the (K366) Fuel Quantity Solenoid Return circuit at the Fuel Quantity Solenoid harness connector.
  Is the resistance above 10k Ohms?
  
  Yes
  - Go To 3
  No
  - Repair the (K366) Fuel Quantity Solenoid Return circuit for an open circuit or short to ground condition.
  - Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
CHECK THE (K365) FUEL QUANTITY SOLENOID DRIVER CIRCUIT FOR A SHORT TO GROUND

Fig 2: Checking Fuel Quantity Solenoid Driver Circuit For A Short To Ground
Courtesy of CHRYSLER GROUP, LLC
1. Measure the resistance between ground and the (K365) Fuel Quantity Solenoid Driver circuit at the Fuel Quantity Solenoid harness connector.
  Is the resistance above 10k Ohms?
  
  Yes
  - Go To 4
  No
  - Repair the (K365) Fuel Quantity Solenoid Driver circuit for a short to ground.
  - Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
FUEL QUANTITY SOLENOID
1. Reconnect the PCM C2 harness connector.
2. Reconnect the Fuel Control Actuator harness connector.
3. Turn the ignition on.
4. With the scan tool, select Erase DTCs.
5. Turn the ignition off.
6. Disconnect the Fuel Quantity Solenoid harness connector.
7. With the scan tool, select View DTCs.
  NOTE:
  The P0001-Fuel Quantity Regulator Control Circuit Open DTC should be active or pending with the harness connector unplugged.
  
  Did the DTC set as described above?
  
  Yes
  - Replace the Fuel Quantity Solenoid in accordance with the service information.
  - Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
  No
  - Go To 5
POWERTRAIN CONTROL MODULE
1. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Fuel Quantity Solenoid and the Powertrain Control Module (PCM).
2. Look for any chafed, pierced, pinched, or partially broken wires.
3. Look for broken, bent, pushed out or corroded terminals.
4. Perform any Technical Service Bulletins that may apply.
  Were any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
  No
  - Replace the Powertrain Control Module in accordance with the service information. Refer to REMOVAL .
  - Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .