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HOMESERVICE MANUALSCHEVROLET2008HHR LT, 2.4 P, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 199 (VSA (VEHICLE STABILITY ASSIST) SYSTEM COMPONENTS)DTC TROUBLESHOOTINGDTC 84: VSA SENSOR NEUTRAL POSITION NOT WRITING
2008 Chevrolet HHR LT, 2.4 P, Automatic

DTC 84: VSA Sensor Neutral Position not writing

2008 Chevrolet HHR LT, 2.4 P, AutomaticSECTION DTC 84: VSA Sensor Neutral Position not writing
WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see HOW TO USE THE HDS (HONDA DIAGNOSTIC SYSTEM) ).
  1. Do the VSA sensor neutral position memorization (see YAW RATE-LATERAL ACCELERATION SENSOR REPLACEMENT ).
  2. Clear the DTC with the HDS.
  3. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.
  4. Check for DTCs with the HDS.

    Is DTC 84 indicated? 

    YES  -Go to step 5.

    NO  -The system is OK at this time.

  5. Update the VSA modulator-control unit if it does not have the latest software (see VSA MODULATOR-CONTROL UNIT UPDATE ). If the unit already has the latest software, substitute a known-good VSA modulator-control unit (see VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION ).
  6. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.
  7. Check for DTCs with the HDS.

    Is DTC 84 indicated? 

    YES  -Check for loose terminals in the VSA modulator-control unit 47P connector. If the VSA modulator-control unit was updated, substitute a known-good VSA modulator-control unit (see VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION  ), then retest. If the VSA modulator-control unit was substituted, Go to step  1.

    NO  -If the VSA modulator-control unit was updated, troubleshooting is complete. If the VSA modulator-control unit was substituted, replace the original VSA modulator-control unit (see VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION  ). If any other DTCs are indicated, go to the indicated DTCs troubleshooting.

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