B104E
Blend Door Control Circuit High
B104E is an OBD-II diagnostic trouble code meaning: Blend Door Control Circuit High. Common causes: short circuit in damper control circuit, open circuit control. Estimated repair cost: $56–167.
Symptoms
- Inability to regulate the air temperature in the cabin
- Constant supply of either hot or cold air
- Noise or clicking noises from the climate control area
- Malfunctions in the automatic climate control mode
Causes
- Short circuit in damper control circuit
- Open circuit control
- Damper motor malfunction
- Wiring Harness Problems
- Malfunction of the climate control control unit
- Mechanical jamming of the damper
How to Fix
- Check wiring harness for damage
- Check the resistance of the damper motor
- Check control circuit voltage
- Inspect the damper mechanism for jams
- If necessary, replace the electric motor or control unit
- Calibrate the damper after repair
Related codes
FAQ
What does the B104E code mean?
B104E is an OBD-II diagnostic trouble code that indicates: Blend Door Control Circuit High
What causes a B104E error code?
The most common causes of B104E include: Short circuit in damper control circuit; Open circuit control; Damper motor malfunction; Wiring Harness Problems.
How do I fix a B104E diagnostic trouble code?
To fix B104E: Check wiring harness for damage. Check the resistance of the damper motor. Check control circuit voltage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B104E?
Yes, but get it checked soon
How much does it cost to fix B104E?
The estimated repair cost for B104E is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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