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Home >> Chrysler >> 2009 >> PT Cruiser Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 47 ((Cabin Compartment Node (CCN) - Electrical Diagnostics)) >> DTC Troubleshooting >> B10C1-A/C Select Switch Stuck >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2009 Dodge Caliber. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR ACTIVE DIAGNOSTIC TROUBLE CODE (DTC) B1001 OR B1002 IN THE CCN 
    1. Turn the ignition on.
    2. With the scan tool, read DTCs.

      Does the scan tool display active: B1001 or B1002?

      Yes 

      No 

      • Go to step  2
  2. INSPECT THE A/C HEATER CONTROL FOR DAMAGE 
    1. Turn the ignition off.
    2. Inspect the A/C Heater Control for damage.

      Is the A/C Heater Control damaged?

      Yes 

      No 

      • Go to step  3
  3. INSPECT FOR OBJECT OR SUBSTANCE CAUSING THE A/C MODE SWITCH TO STAY OR STICK IN A PUSHED POSITION 
    1. Inspect the A/C Heater Control for anything that would cause the A/C mode switch to stay or stick in a pushed position.

      Is anything present that would cause the A/C mode switch to stay or stick in a pushed position?

      Yes 

      No 

      • Go to step  4
  4. CHECK THE A/C MODE SWITCH AND STATUS INDICATOR FUNCTION 
    1. Start the engine.
    2. Turn the blower control on.
    3. Press the A/C mode switch on and off several times while observing the A/C status indicator.

      Does the A/C status indicator turn on and off?

      Yes 

      • Go to step  5

      No 

  5. VERIFY THAT DTC B10C1-A/C SELECT SWITCH STUCK IS STILL ACTIVE 
    1. Turn the ignition on.
    2. With the scan tool, erase DTCs.
    3. Turn the ignition off, wait 10 seconds, and turn the ignition on.
    4. With the scan tool, read DTCs.

      Does the scan tool display active: B10C1-A/C SELECT SWITCH STUCK?

      Yes 

      No 

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