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DTC 86: F-CAN Communication

  1. Clear the DTC using the HDS (see HOW TO CLEAR DTCS  ).
  2. Start and run the engine for at least 5 seconds then turn the engine off.
  3. Check for DTCs using the HDS.

    Is DTC 86 indicated? 

    YES  - Go to step 4.

    NO  - The F-CAN communication line is OK at this time. Refer to INTERMITTENT FAILURES  .

  4. Check for DTCs in the PCM.

    Are any DTCs indicated? 

    YES  - Troubleshoot the PCM DTCs.

    NO  - Check for loose terminals or poor connections at the VSA modulator-control unit 47P connector. If connections are good, replace the VSA modulator-control unit (see VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION  ), and recheck.

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