B2646
Electric Compressor Voltage Main
B2646 is an OBD-II diagnostic trouble code meaning: Electric Compressor Voltage Main. Common causes: broken or damaged wiring harness, faulty relay or fuse. Estimated repair cost: $56–167.
Symptoms
- Air conditioner doesn't work
- The air conditioning indicator is flashing
- Reduced system efficiency
Causes
- Broken or damaged wiring harness
- Faulty relay or fuse
- Problems with the control unit
- Short circuit in the circuit
How to Fix
- Check fuses and relays associated with the compressor
- Inspect the wiring harness for damage
- Check the voltage at the compressor terminals
- Test the control unit for errors
- If necessary, replace faulty components
Related codes
FAQ
What does the B2646 code mean?
B2646 is an OBD-II diagnostic trouble code that indicates: Electric Compressor Voltage Main
What causes a B2646 error code?
The most common causes of B2646 include: Broken or damaged wiring harness; Faulty relay or fuse; Problems with the control unit; Short circuit in the circuit.
How do I fix a B2646 diagnostic trouble code?
To fix B2646: Check fuses and relays associated with the compressor. Inspect the wiring harness for damage. Check the voltage at the compressor terminals. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B2646?
Limited driving only, diagnose soon
How much does it cost to fix B2646?
The estimated repair cost for B2646 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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