LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2010 >> Cobalt LS, 4D Sedan, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (Heating, Ventilation And Air Conditioning) >> Climate Control >> DTC Troubleshooting >> DTC indicator A: Climate Control Unit Internal Error

DTC indicator A: Climate Control Unit Internal Error

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: Check the 12 volt battery condition (see 12 VOLT BATTERY TEST ).
  1. Clear the DTC with the HDS.
  2. Turn the ignition switch to LOCK (0) and then to ON (II).
  3. Do the self-diagnostic function with the climate control unit (see HOW TO USE THE SELF-DIAGNOSTIC FUNCTION WITHOUT THE HDS ).
  4. Check for DTCs.

    Is DTC A indicated? 

    YES  -The climate control unit is faulty, replace the climate control unit (see CLIMATE CONTROL UNIT REMOVAL/INSTALLATION ).

    NO  -Intermittent failure, the climate control unit is OK at this time.