DTC Description

DTC B1246 sets if Driver Air mix actuator(Temperature actuator) sensor signal is at or over 4.9V for 0.3 seconds.

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

Voltage check

1.

Short to battery in signal circuit(Feedback signal)

2.

Faulty Driver temperature Actuator

3.

Air conditioner Control Module

Enable Conditions

Ignition ON

Threshold value

Feedback circuit has been detected over 4.9V for 0.3 seconds

Failsafe

setting temperature : 15℃(58℉)-22.5℃(72℉) fix at max. cooling position

setting temperature : 23℃(73℉)-30℃(87℉) fix at max. heating position

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