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Home >> Dodge and Ram >> 2009 >> Durango Base, 4.7 P, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P1457 To P2072 >> P1696-EEPROM Memory Write Denied/Invalid >> Diagnostic Test

Diagnostic Test

  1. DTC IS ACTIVE 
    NOTE: Diagnose and repair any other DTCs set in the PCM before proceeding with this test.
    1. Turn the ignition on.
    2. With the scan tool, Clear DTCs.
    3. Start the engine and allow it to reach operating temperature.
      WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belts or fan. Do not wear loose clothing. Failure to follow these instructions may result in possible serious or fatal injury.
      NOTE: It may be necessary to test drive the vehicle in order for this DTC to set.
    4. With the scan tool, select View DTCs.

      Is the DTC Active at this time?

      Yes 

      • Go to step  2

      No 

  2. PCM ODOMETER MILEAGE NOT PROGRAMMED 
    1. Turn the ignition on.
    2. With the scan tool, attempt to perform the Program PCM Odometer function.
    3. With the scan tool, Clear DTCs.
    4. Start the engine.
    5. Allow the engine to reach normal operating temperature.
    6. With a scan tool, select View DTCs.

      Is the status Active for this DTC?

      Yes 

      • Go to step  3

      No 

  3. CHECKING THE PCM POWER AND GROUND CIRCUITS 
    1. Perform the diagnostic procedure for *CHECKING THE PCM POWER AND GROUND CIRCUITS.
    2. Using the wiring diagram/schematic as a guide, inspect the Powertrain Control Module (PCM) wiring and connectors.
    3. Look for any chafed, pierced, pinched, or partially broken wires.
    4. Look for broken, bent, pushed out or corroded terminals.
    5. Refer to any Technical Service Bulletins that may apply.

      Were any problems found?

      Yes 

      No 

      • Go to step  4
  4. POWERTRAIN CONTROL MODULE (PCM) 
    1. Turn the ignition on.
    2. With the scan tool, attempt to perform the Program PCM Odometer function.
    3. With the scan tool, Clear DTCs.
    4. Start the engine.
    5. Allow the engine to reach normal operating temperature.
    6. With a scan tool, select View DTCs.

      Is the DTC Active at this time?

      Yes 

      No