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HOMESERVICE MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 748 (GAUGES)DTC TROUBLESHOOTINGDTC B1170: GAUGE CONTROL MODULE LOST COMMUNICATION WITH VSA/ABS MODULATOR-CONTROL UNIT (VSA/ABS MESSAGE)
2006 Chevrolet Cobalt SS, 4D Sedan, Standard

DTC B1170: Gauge Control Module Lost Communication With VSA/ABS Modulator-Control Unit (VSA/ABS Message)

2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION DTC B1170: Gauge Control Module Lost Communication With VSA/ABS Modulator-Control Unit (VSA/ABS Message)
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: 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. Clear the DTCs with the HDS.
  2. Turn the ignition switch to LOCK (0) and then back to ON (II).
  3. Wait for at least 6 seconds.
  4. Check for DTCs with the HDS.

    Is DTC B1170 indicated? 

    YES  -Go to step 5.

    NO  -Intermittent failure, the system is OK at this time. Check for loose or poor connections.

  5. Check for VSA system DTCs with the HDS (see GENERAL TROUBLESHOOTING INFORMATION ).

    Are any DTCs indicated? 

    YES  -Go to the indicated DTCs, then recheck.

    NO  -Go to step 6.

  6. Turn the ignition switch to LOCK (0).
  7. Disconnect the gauge control module 32P connector.
  8. Disconnect the VSA modulator-control unit 47P connector.
  9. Check for continuity between gauge control module 32P connector terminals No. 20 and No. 19 and VSA modulator-control unit 47P connector terminals No. 12 and No. 13 respectively.
    Fig 1: Checking Continuity Between Gauge Control Module 32P Connector Terminals No. 20 And VSA Modulator-Control Unit 47P Connector Terminals No. 12
    G06431710Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Substitute a known-good VSA modulator-control unit, and recheck. If the indication goes away, replace the original VSA modulator-control unit. If the DTC is still present, replace the gauge control module (see GAUGE CONTROL MODULE REPLACEMENT  ).

    NO  -Repair an open in the wire.

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