B1855
Climate Control Air Temperature Internal Sensor Motor Circuit Short To Battery
B1855 is an OBD-II diagnostic trouble code meaning: Climate Control Air Temperature Internal Sensor Motor Circuit Short To Battery. Common causes: short circuit in wiring harness, temperature sensor motor malfunction. Estimated repair cost: $56–167.
Symptoms
- Incorrect operation of climate control
- No air temperature adjustment
- Climate control flaps do not change position
Causes
- Short circuit in wiring harness
- Temperature sensor motor malfunction
- Problems in the climate control control unit
- Damage to connectors or corrosion of contacts
How to Fix
- Check the integrity of the wiring harness
- Check the resistance of the temperature sensor motor
- Inspect connectors and contacts for damage
- If necessary, replace the sensor or wiring harness
- Reset the error and check the system operation
Related codes
FAQ
What does the B1855 code mean?
B1855 is an OBD-II diagnostic trouble code that indicates: Climate Control Air Temperature Internal Sensor Motor Circuit Short To Battery
What causes a B1855 error code?
The most common causes of B1855 include: Short circuit in wiring harness; Temperature sensor motor malfunction; Problems in the climate control control unit; Damage to connectors or corrosion of contacts.
How do I fix a B1855 diagnostic trouble code?
To fix B1855: Check the integrity of the wiring harness. Check the resistance of the temperature sensor motor. Inspect connectors and contacts for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1855?
Limited driving only, diagnose soon
How much does it cost to fix B1855?
The estimated repair cost for B1855 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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