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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 600 (3.0L Diesel - DTCS P0264-00 To P05EE-00 - 1500) >> Diagnosis And Testing >> P053B-00-Crankcase Vent Heater Control Circuit Low >> Diagnostic Test

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.
  1. DTC IS ACTIVE 
    1. Turn the ignition on.
    2. With the scan tool, erase DTCs in the Powertrain Control Module (PCM).
    3. Start the engine and allow it to idle.
    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 .
  2. CHECK THE (N116) CRANKCASE VENT HEATER CONTROL CIRCUIT FOR A SHORT TO GROUND 
    Fig 1: Checking Crankcase Vent Heater Control Circuit For A Short To Ground
    GC0143621Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off.
    2. Disconnect the Crankcase Vent Heater harness connector.
    3. Disconnect the PCM C1 harness connector.
    4. 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
  3. CRANKCASE VENT HEATER 
    1. Turn the ignition off.
    2. Reconnect the PCM C1 harness connector.
    3. 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.
    4. Turn the ignition on.
    5. Start the engine and allow it to idle.
    6. Monitor the scan tool for at least two minutes.
    7. 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 

      No 

      • Go To  4
  4. POWERTRAIN CONTROL MODULE (PCM) 
    1. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Crankcase Vent Heater 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 

      No