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Home >> Dodge and Ram >> 2023 >> Durango GT, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (5.7L - DTCS P032F To P050B) >> DTC Troubleshooting >> P0344-Camshaft Position Sensor Intermittent - Bank 1 Sensor 1 >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different variant/trim than selected.
  1. CHECK FOR OTHER DTCS 
    NOTE:

    Diagnose and repair any VVT related issues or faults before continuing with this test procedure. Anything that affects the engines VVT system may cause a CMP Sensor 1/1 DTC to set. Verify that there are no engine mechanical issues that may be causing the fault to set such as but not limited to the timing chain, camshafts and sprockets, camshaft phasers, oil quality, level or oil pressure issues.

    1. With the scan tool, read DTCs and Freeze Frame Data and record on the repair order.

      Are there any 5-Volt Reference or Oil Pressure related DTCs active or pending?

      Yes 

      No 

      • Go To  2
  2. CHECK THE ENGINE OIL LEVEL 
    1. Turn the ignition off.
    2. Check the engine oil level.

      Is the engine oil at the proper level?

      Yes 

      • Go To  4

      No 

      • Go To  3
  3. ADJUST THE ENGINE OIL TO THE PROPER LEVEL AND RETEST 
    1. Fill the engine oil to the proper specification. Turn the engine off, ignition on, and using the scan tool, erase the DTC. Start the engine and drive the vehicle to verify repair. If the DTC does not return, repair is complete.
    2. Start the engine and allow it to idle for 2 - 3 minutes.
    3. With the scan tool, erase DTCs.
    4. Using the recorded Freeze Frame Data and the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
    5. With the scan tool, read DTCs.

      Did the DTC return?

      Yes 

      • Go To  4

      No 

      • Filling the Engine Oil to the proper level repaired the fault.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  4. CHECK FOR APPLICABLE SERVICE BULLETINS 
    1. Check for any applicable Service Bulletins that may apply for this issue.

      Were there any applicable Service Bulletins?

      Yes 

      • Perform the applicable Service Bulletin. Erase the DTC and perform the verification test.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

      No 

      • Go To  5
  5. CHECK FOR AN ACTIVE DTC 
    1. With the scan tool, erase DTCs.
    2. Using the recorded Freeze Frame Data and the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
    3. With the scan tool, read DTCs.

      Did the DTC return?

      Yes 

      • Go To  8

      No 

      • Go To  6
  6. INSPECT THE CMP SENSOR WIRING AND CONNECTOR FOR DAMAGE OR POOR FIT 
    1. Turn the ignition off.
    2. Disconnect the harness connectors at the PCM and Cam Sensor and inspect for wire chaffing or rub conditions, terminals pushed out on the wiring connector, bent terminals at the PCM and Cam Sensor, water in the connector cavities, presence of corrosion on the terminals of the connectors or components.
    3. Visually inspect the mounting area of Cam Sensor for debris/damage or a loose sensor. Remove the Cam Sensor and inspect the end of the sensor for signs of damage or debris. Rotate the engine and if possible, inspect the target wheel for any signs of damage. Reinstall the Cam Sensor and ensure that the sensor is properly installed and torqued to proper specification.
      NOTE:

      Due to the fact that this DTC is set by an intermittent loss of the signal, the most likely cause is a poor connection at the Cam Sensor or PCM terminals or a poor signal between the Cam Sensor and target wheel. Because of this, unplugging and reconnecting the harness connectors, or repositioning the Cam Sensor will often repair the condition that set the DTC.

      Were any problems found?

      Yes 

      No 

      • Go To  7
  7. CHECK THE VEHICLE REPAIR HISTORY 
    1. Check the history of the vehicle for previous Crank Sensor related DTCs within the past 90 days.

      Did the repair history show that the vehicle was in a dealership for a Cam Sensor fault within the past 90 days?

      Yes 

      • Replace the Cam Sensor in accordance with the Service Information. With the scan tool, perform the Cam/Crank Relearn Procedure.
        NOTE:

        The Cam/Crank Relearn Procedure must be performed every time there has been a repair/replacement made to a CMP Sensor, CKP sensor, flywheel, valvetrain, timing chain or gears. Failure to do so can cause a misfire fault to set.

      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

      No 

      • Test complete. Reconnect the harness connectors, and erase the DTC. The most likely cause was a poor connection at one of the harness connectors. Verify the DTC does not return.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  8. CHECK THE (F856) 5-VOLT SUPPLY CIRCUIT VOLTAGE VALUE 
    1. Turn the ignition off.
    2. Disconnect the Camshaft Position Sensor harness connector.
    3. Turn the ignition on.
    4. Measure the voltage between the (F856) 5-Volt Supply circuit and the (K900) Ground circuit at the Camshaft Position Sensor harness connector.

      Is the voltage between 4.8 and 5.2 volts?

      Yes 

      • Go To  9

      No 

      • Go To  11
  9. CHECK THE (K44) CMP SIGNAL CIRCUIT VOLTAGE VALUE 
    1. Measure the voltage on the (K44) CMP Signal circuit in the Camshaft Position Sensor harness connector.

      Is the voltage between 4.8 and 5.2 volts?

      Yes 

      • Go To  10

      No 

      • Go To  16
  10. CHECK THE (F856) 5-VOLT SUPPLY CIRCUIT FOR A SHORT TO THE (K44) CMP SIGNAL CIRCUIT 
    1. Turn the ignition off.
    2. Disconnect the PCM C2 harness connector.
    3. Check for continuity between the (F856) 5-Volt Supply circuit and the (K44) CMP Signal circuit at the Camshaft Position Sensor harness connector.

      Is there continuity between the (F856) 5-Volt Supply circuit and the (K44) CMP Signal circuit?

      Yes 

      • Repair the (F856) 5-Volt Supply circuit for a short to the (K44) CMP Signal circuit.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

      No 

      • Go To  21
  11. CHECK THE (F856) 5-VOLT SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE 
    1. Measure the voltage on the (F856) 5-Volt Supply circuit at the Camshaft Position Sensor harness connector.

      Is there any voltage present?

      Yes 

      • Repair the (F856) 5-Volt Supply circuit for a short to voltage.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

      No 

      • Go To  12
  12. CHECK THE (F856) 5-VOLT SUPPLY CIRCUIT FOR A SHORT TO GROUND 
    1. Turn the ignition off.
    2. Disconnect the PCM C2 harness connector.
    3. Check for continuity between ground and the (F856) 5-Volt Supply circuit at the Camshaft Position Sensor harness connector.

      Is there continuity between ground and the (F856) 5-Volt Supply circuit?

      Yes 

      • Repair the (F856) 5-Volt Supply circuit for a short to ground.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

      No 

      • Go To  13
  13. CHECK THE (F856) 5-VOLT SUPPLY CIRCUIT FOR A SHORT TO THE (K900) SENSOR GROUND CIRCUIT 
    1. Check for continuity between the (F856) 5-Volt Supply circuit and the (K900) Sensor Ground circuit in the Camshaft Position Sensor harness connector.

      Is there continuity between the (F856) 5-Volt Supply circuit and the (K900) Sensor Ground circuit?

      Yes 

      • Repair the (F856) 5-Volt Supply circuit for a short to the (K900) Sensor Ground circuit.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

      No 

      • Go To  14
  14. CHECK THE (F856) 5-VOLT SUPPLY CIRCUIT FOR AN OPEN/HIGH RESISTANCE 
    CAUTION:

    Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install the GPEC Diagnostic Adaptor to perform the diagnosis.

    1. Connect the (special tool #10436, Adapter, GPEC Diagnostic).
    2. Measure the resistance of the (F856) 5-Volt Supply circuit between the Camshaft Position Sensor harness connector and the GPEC Adaptor.

      Is the resistance below 3.0 Ohms?

      Yes 

      • Go To  15

      No 

      • Repair the (F856) 5-Volt Supply circuit for an open circuit or high resistance.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  15. CHECK THE (K900) SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE 
    1. Measure the resistance of the (K900) Sensor Ground circuit between the Camshaft Position Sensor harness connector and the GPEC Adaptor.

      Is the resistance below 3.0 Ohms?

      Yes 

      • Go To  21

      No 

      • Repair the (K900) Sensor Ground circuit for an open circuit or high resistance.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  16. CHECK THE (K44) CMP SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE 
    1. Turn the ignition off.
    2. Disconnect the PCM C2 harness connector.
    3. Turn the ignition on.
    4. Measure the voltage on the (K44) CMP Signal circuit in the Camshaft Position Sensor harness connector.

      Is there any voltage present?

      Yes 

      • Repair the (K44) CMP Signal circuit for a short to voltage.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

      No 

      • Go To  17
  17. CHECK THE (K44) CMP SIGNAL CIRCUIT FOR A SHORT TO GROUND 
    1. Turn the ignition off.
    2. Check for continuity between ground and the (K44) CMP Signal circuit at the Camshaft Position Sensor harness connector.

      Is there continuity between ground and the (K44) CMP Signal circuit?

      Yes 

      • Repair the (K44) CMP Signal circuit for a short to ground.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

      No 

      • Go To  18
  18. CHECK THE (K44) CMP SIGNAL CIRCUIT FOR A SHORT TO THE (K900) SENSOR GROUND CIRCUIT 
    1. Check for continuity between the (K44) CMP Signal circuit and the (K900) Sensor Ground circuit at the Camshaft Position Sensor harness connector.

      Is there continuity between the (K44) CMP Signal circuit and the (K900) Sensor Ground circuit?

      Yes 

      • Repair the (K44) CMP Signal circuit for a short to the (K900) Sensor Ground circuit.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

      No 

      • Go To  19
  19. CHECK THE (K44) CMP SIGNAL CIRCUIT FOR AN OPEN/HIGH RESISTANCE 
    CAUTION:

    Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install the GPEC Diagnostic Adaptor to perform the diagnosis.

    1. Connect the (special tool #10436, Adapter, GPEC Diagnostic).
    2. Measure the resistance of the (K44) CMP Signal circuit between the Camshaft Position Sensor harness connector and the GPEC Adaptor.

      Is the resistance below 3.0 Ohms?

      Yes 

      • Go To  20

      No 

      • Repair the (K44) CMP Signal circuit for an open circuit or high resistance.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  20. CHECK THE (K900) SENSOR GROUND CIRCUIT FOR AN OPEN/HIGH RESISTANCE 
    1. Measure the resistance of the (K900) Sensor Ground circuit between the Camshaft Position Sensor harness connector and the GPEC Adaptor.

      Is the resistance below 3.0 Ohms?

      Yes 

      • Go To  21

      No 

      • Repair the (K900) Sensor Ground circuit for an open circuit or high resistance.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  21. INSPECT THE TONE WHEEL/PULSE RING FOR DAMAGE OR FOREIGN MATERIAL 
    1. Disconnect the battery ground cable.
    2. Remove the CMP Sensor.
    3. Visually inspect the sensor mounting location for damage, foreign material.
    4. Rotate the engine and if possible inspect the target wheel for any signs of damage.

      Were any problems found?

      Yes 

      • Repair Issues in mounting location. Repair or replace the Tone Wheel / Pulse Ring as necessary. With the scan tool, perform the Cam/Crank Relearn Procedure.
        NOTE:

        The Cam/Crank Relearn Procedure must be performed every time there has been a repair/replacement made to a CMP Sensor and/or CKP sensor, flywheel, valvetrain, timing chain or gears. Failure to do so can cause a misfire fault to set.

      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

      No 

      • Go To  22
  22. REPLACE THE CAMSHAFT POSITION SENSOR AND RETEST FOR DTC 
    1. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Camshaft Position Sensor 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. Replace the Camshaft Position Sensor in accordance with the Service Information and with the scan tool, perform the "Cam/Crank Relearn" Procedure. Refer to SENSOR, CAMSHAFT POSITION, REMOVAL .
      NOTE:

      The Cam/Crank Relearn Procedure must be performed every time there has been a repair/replacement made to a CMP Sensor and/or CKP sensor, flywheel, valvetrain, timing chain or gears. Failure to do so can cause a misfire fault to set.

    5. With the scan tool, erase DTCs.
    6. Using the recorded Freeze Frame Data and the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
    7. With the scan tool, read DTCs.

      Did the DTC return?

      Yes 

      • Go To  23

      No 

      • Replacing the Camshaft Position Sensor repaired the fault.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  23. CHECK RELATED PCM AND COMPONENT CONNECTIONS 
    1. Perform any Service Bulletins that apply.
    2. Disconnect all PCM harness connectors.
    3. Disconnect all related in-line harness connections (if equipped).
    4. Disconnect the related component harness connectors.
    5. Inspect harness connectors, component connectors, and all male and female terminals for the following conditions:
      • Proper connector installation.
      • Damaged connector locks.
      • Corrosion.
      • Other signs of water intrusion.
      • Weather seal damage (if equipped).
      • Bent terminals.
      • Overheating due to a poor connection (terminal may be discolored due to excessive current draw).
      • Terminals that have been pushed back into the connector cavity.
      • Check for spread terminals and verify proper terminal tension.

      Repair any conditions that are found.

    6. Reconnect all PCM harness connectors. Be certain that all harness connectors are fully seated and the connector locks are fully engaged.
    7. Reconnect all in-line harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.
    8. Reconnect all related component harness connectors. Be certain that all connectors are fully seated and the connector locks are fully engaged.
    9. With the scan tool, erase DTCs.
    10. Test drive or operate the vehicle in accordance with the when monitored and set conditions.
    11. With the scan tool, read DTCs.

      Did the DTC return?

      Yes 

      No 

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