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DTC P0513: Invalid Skim Key: Testing

  1. Turn ignition on, engine not running. With the DRBIII®, read DTCs and record related Freeze Frame data. Is the Good Trip counter displayed and equal to zero? If yes, go to next step. If no, go to step  7.
  2. With the DRBIII®, attempt to communicate with the SKIM. Turn ignition on, engine not running. Can the DRBIII® communicate with the SKIM? If yes, go to next step. If no, check for open bus circuits from SKIM. See COMMUNICATIONS under SYSTEM TESTS in appropriate BODY CONTROL MODULES article in ACCESSORIES & EQUIPMENT.
  3. With the DRBIII®, check for SKIM DTCs. Are any DTCs present in the SKIM? If yes, repair all SKIM DTCs. See appropriate BODY CONTROL MODULES article in ACCESSORIES & EQUIPMENT.
  4. With the DRBIII®, display the VIN that is programmed in the PCM. Has a VIN been programmed into the PCM? If yes, go to next step. If no, program the correct VIN into the PCM and retest.
  5. With the DRBIII®, display the VIN that is programmed in the PCM. Was the correct VIN programmed into the PCM? If yes, go to next step. If no, replace PCM. Program the new PCM. See PROGRAMMING .
  6. Turn the ignition off. Replace and program the SKIM. See REMOVAL & INSTALLATION in appropriate BODY CONTROL MODULES article in ACCESSORIES & EQUIPMENT. Turn ignition on, engine not running. With the DRBIII®, erase all SKIM and PCM DTCs. Attempt to start and idle the engine. With the DRBIII®, read the PCM DTCs. Does the DRBIII® display P0513? If yes, replace PCM. Program the new PCM. See PROGRAMMING . If no, test is complete.
    7. NOTE: This DTC could have been set if the SKIM harness connector was disconnected, or if the SKIM was replaced recently. All keys that the customer uses for this vehicle must be tested to verify they are operating properly. Ensure the customer is not attempting to use a non-SKIM duplicate key.
  7. Turn ignition on, engine not running. Verify the correct VIN is programmed into the PCM and SKIM. Turn the ignition off. With the next customer key, turn the ignition key on and crank the engine to start. With the DRBIII®, read the PCM DTCs. Is the Good Trip counter for DTC P0513 displayed and equal to zero? If yes, replace the Ignition Key. Program new key. See SENTRY KEYS under PROGRAMMING in appropriate BODY CONTROL MODULES article in ACCESSORIES & EQUIPMENT. If no, test is complete. Problem may have been an actual theft attempt.
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