Blend Overcurrent (Active)
Tests 1 - 3:
SYMPTOM
BLEND OVERCURRENT (ACTIVE)
WHEN MONITORED
When actuator movement is requested.
SET CONDITION
All (Blend, Mode, Recirc, and Zone) Overcurrent DTCs will set if the A/C Heater Control Module detects an excessive current draw on the Common Door Drive circuit(s).
POSSIBLE CAUSES
- Door driver circuit(s) shorted low
- Door driver circuit(s) shorted high
- Door actuator(s) shorted
- A/C - heater control module