Rear Blend Pot Circuit Open (Stored)
Test 1:
SYMPTOM
REAR BLEND POT CIRCUIT OPEN (STORED)
TEST NOTE
This symptom is diagnosed using the test A/C SWITCH FAULT (STORED).
WHEN MONITORED
With the ignition ON.
SET CONDITION
This DTC will set if the Rear A/C - Heater Control, rear blend control circuit is open or shorted high, or if the rear blend potentiometer resistance is out of specification.
POSSIBLE CAUSES
- Check for active HVAC DTCS, and cooldown test and door recalibration messages
- Stored code(s) test complete