Operation CHARM: Car repair manuals for everyone.

Rear Blend Pot Circuit Open (Stored)

Test 1:






SYMPTOM
REAR BLEND POT CIRCUIT OPEN (STORED) - MTC

TEST NOTE
This symptom is diagnosed using the test A/C SWITCH FAULT (STORED) - MTC.

WHEN MONITORED
With the ignition on.

SET CONDITION
This DTC will set if the A/C - Heater Control Module sees voltage above 4.88 volts on the Rear Temperature Feedback Signal circuit.

POSSIBLE CAUSES
- Check for active HVAC DTCs and system tests fault messages
- Stored code(s) test complete