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DTC B1829: A/T P Signal and VSS Signal Mismatch

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN system diagnosis test mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ).
  1. Turn the ignition switch OFF.
  2. Remove the No. 6 (7.5 A) fuse from the under-dash fuse/relay box, then reinstall the fuse.
  3. Turn the ignition switch ON (II).
  4. Operate the power seat with the driving position memory switch.
  5. Check for DTCs with the HDS.

    Is DTC B1829 indicated? 

    1. YES  - Go to step  6.
    2. NO  - Intermittent failure, the system is OK at this time.
  6. Check for power seat/power mirror DTCs with the HDS.

    Are there any DTCs? 

    1. YES  - Go to indicated DTCs troubleshooting.
    2. NO  - Go to step  7.
  7. Check for ECM/PCM DTCs (see GENERAL TROUBLESHOOTING INFORMATION ).

    Is any DTC indicated? 

    1. YES  - Go to ECM/PCM indicated DTCs troubleshooting.
    2. NO  - Substitute a known-good power seat control unit and reset. If the symptom DTC is still preset; replace the gauge control module.
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