Operation CHARM: Car repair manuals for everyone.

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