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Home >> Jeep >> 2002 >> Liberty Limited, 4WD, Part Time >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P1696: Pcm Failure EEPROM Write Denied >> Testing

DTC P1696: Pcm Failure EEPROM Write Denied: Testing

  1. Turn ignition on, engine not running. With the DRBIII®, perform the SRI Memory Test. Does the DRBIII®, display Write Failure? If yes, replace PCM. Program the new PCM. See PROGRAMMING . If no, go to next step.
  2. With the DRBIII®, perform the SRI Memory Test. Does the DRBIII® display Write Refused? If yes, go to next step. If no, go to step  4.
  3. With the DRBIII®, perform the SRI Memory Test a second time. Retest the SRI Memory two more times. Does the DRBIII® display Write Refused again? If yes, replace PCM. Program the new PCM. See PROGRAMMING . If no, test is complete.
  4. With the DRBIII®, perform the SRI Memory Test. Does the DRBIII® display SRI Mileage Invalid? If yes, update the mileage and retest the SRI Memory. If no, go to next step.
  5. Compare the SRI Mileage stored with the Instrument Panel Odometer. Is the mileage within the specified range displayed on the DRBIII®? If yes, test is complete. If no, update the mileage and retest the SRI Memory.
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