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Home >> Chevrolet >> 2010 >> Cobalt LS, 4D Sedan, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 30 (SRS (Supplemental Restraint System)) >> DTC Troubleshooting >> DTC 85-71, 85-78: ODS Unit Not Initialized

DTC 85-71, 85-78: ODS Unit Not Initialized

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.
  1. Clear the DTC memory (see HOW TO CLEAR DTCS  ).
  2. Turn the ignition switch to ON (II), then wait for 10 seconds.
  3. Read the DTC (see HOW TO RETRIEVE DTCS  ).

    Is DTC 85-71 or 85-78 indicated? 

    YES  -Go to step 4.

    NO  -Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures (see TROUBLESHOOTING INTERMITTENT FAILURES  ). If another DTC is indicated, troubleshoot the DTC.

  4. Do the ODS unit initialization (see ODS UNIT INITIALIZATION  ).
  5. Turn the ignition switch to LOCK (0), then wait for 10 seconds.
  6. Turn the ignition switch to ON (II), then wait for 10 seconds.
  7. Read the DTC (see HOW TO RETRIEVE DTCS  ).

    Is DTC 85-71 or 85-78 indicated? 

    YES  -Faulty ODS unit, replace the ODS unit (see ODS UNIT REPLACEMENT  ), then clear the DTC. If the DTC is still present, replace the SRS unit (see SRS UNIT REPLACEMENT  ).

    NO  -The system is OK at this time.