Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
The cost to diagnose the B1341 CADILLAC code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
The heater and A/C programmer supply voltage to an internal motor which drives the air mix door.
Then heater and A/C programmer monitor air mix door position feedback from a sensor on the motor. If the air mix door is requested to move but the feedback voltage does not change, the heater and A/C programmer store the OBDII code B1341. If the air mix door feedback indicates it is near hot or cold extreme, the code will not set. The operation of the air mix door can be evaluated through self-diagnostic as described in test description.
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