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
- Turn the ignition on.
- With the scan tool, erase DTCs in the Powertrain Control Module (PCM).
- Start the engine and allow it to idle.
- Monitor the scan tool for at least two minutes.
- 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 (N116) CRANKCASE VENT HEATER CONTROL CIRCUIT FOR A SHORT TO GROUND
Courtesy of CHRYSLER GROUP, LLC
- Turn the ignition off.
- Disconnect the Crankcase Vent Heater harness connector.
- Disconnect the PCM C1 harness connector.
- Measure the resistance between ground and the (N116) Crankcase Vent Heater Control circuit in the Crankcase Vent Heater harness connector.
Is the resistance below 10k Ohms?
Yes
- Repair the (N116) Crankcase Vent Heater Control circuit for a short to ground.
- Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
No
- Go To 3
- CRANKCASE VENT HEATER
- Turn the ignition off.
- Reconnect the PCM C1 harness connector.
- Connect a jumper between the (N116) Crankcase Vent Heater Control circuit and the (F343) Fused ASD Relay Output circuit at the Crankcase Vent Heater harness connector.
- Turn the ignition on.
- Start the engine and allow it to idle.
- Monitor the scan tool for at least two minutes.
- With the scan tool, select View DTCs.NOTE:
The P053C-Crankcase Vent Heater Control Circuit High DTC should be active or pending with the jumper in place.
Did the DTC display as described above?
Yes
- Replace the Crankcase Vent Heater.
- Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
No
- Go To 4
- POWERTRAIN CONTROL MODULE (PCM)
- Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Crankcase Vent Heater and the Powertrain Control Module (PCM).
- Look for any chafed, pierced, pinched, or partially broken wires.
- Look for broken, bent, pushed out or corroded terminals.
- 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 and program the Powertrain Control Module in accordance the service information. Refer to MODULE, POWERTRAIN CONTROL, REMOVAL .
- Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .