HVAC DTC Troubleshooting: A
DTC indicator A:
Climate Control Unit Internal Error
NOTE:
Check the battery condition
and the
charging system.
Clear the DTC with the HDS.
Turn the ignition switch to LOCK (0), and then to ON (II).
Do the self-diagnostic function with the climate control unit.
Check for DTCs.
Is DTC A indicated?
YES
-
The climate control unit is faulty,
replace the climate control unit.
■
NO
-
Intermittent failure, the climate control unit is OK at this time.■