B2175
A/C Request Signal Circuit Short To Ground
B2175 is an OBD-II diagnostic trouble code meaning: A/C Request Signal Circuit Short To Ground. Common causes: damage to wiring or connectors in the air conditioner request signal circuit, air conditioning relay malfunction. Estimated repair cost: $56–167.
Symptoms
- Air conditioner not working
- Unstable engine operation when the air conditioner is turned on
- Check Engine light comes on
Causes
- Damage to wiring or connectors in the air conditioner request signal circuit
- Air conditioning relay malfunction
- Problems with the climate control unit
- ECU malfunction
How to Fix
- Check the integrity of the wiring and connectors in the air conditioner request signal circuit
- Check the operation of the air conditioner relay
- Diagnose the climate control control unit
- If necessary, replace damaged components
Related codes
FAQ
What does the B2175 code mean?
B2175 is an OBD-II diagnostic trouble code that indicates: A/C Request Signal Circuit Short To Ground
What causes a B2175 error code?
The most common causes of B2175 include: Damage to wiring or connectors in the air conditioner request signal circuit; Air conditioning relay malfunction; Problems with the climate control unit; ECU malfunction.
How do I fix a B2175 diagnostic trouble code?
To fix B2175: Check the integrity of the wiring and connectors in the air conditioner request signal circuit. Check the operation of the air conditioner relay. Diagnose the climate control control unit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B2175?
Limited driving only, diagnose soon
How much does it cost to fix B2175?
The estimated repair cost for B2175 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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