Operation CHARM: Car repair manuals for everyone.

Zone Overcurrent (Active)

Test 1:






SYMPTOM
ZONE OVERCURRENT (ACTIVE) - MTC

TEST NOTE
This symptom is diagnosed using the test Blend Overcurrent (Active) - MTC.

WHEN MONITORED
When actuator movement is requested.

SET CONDITION
This DTC will set if the A/C - Heater Control Module detects an excessive current draw on any of the door driver circuits while attempting to drive the driver (zone) blend door actuator. Only one overcurrent DTC can set per ignition cycle.

POSSIBLE CAUSES
- Run the actuator circuit test