P2D43
A/C Compressor Motor Voltage B High
P2D43 is an OBD-II diagnostic trouble code meaning: A/C Compressor Motor Voltage B High. Common causes: compressor motor malfunction, compressor relay problems. Estimated repair cost: $33–167.
Symptoms
- Air conditioner doesn't work
- Increased noise from the compressor
- The air conditioning indicator is flashing
- Overheating of electrical components
Causes
- Compressor motor malfunction
- Compressor relay problems
- Short circuit in the circuit
- Control unit malfunction
- Wiring damage
How to Fix
- Check the voltage in the compressor motor circuit
- Inspect relays and fuses
- Check the condition of the wiring and connectors
- Test the compressor motor
- If necessary, replace faulty components
Related codes
Error P2D43 by Vehicle Brand
FAQ
What does the P2D43 code mean?
P2D43 is an OBD-II diagnostic trouble code that indicates: A/C Compressor Motor Voltage B High
What causes a P2D43 error code?
The most common causes of P2D43 include: Compressor motor malfunction; Compressor relay problems; Short circuit in the circuit; Control unit malfunction.
How do I fix a P2D43 diagnostic trouble code?
To fix P2D43: Check the voltage in the compressor motor circuit. Inspect relays and fuses. Check the condition of the wiring and connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2D43?
Yes, but get it checked soon
How much does it cost to fix P2D43?
The estimated repair cost for P2D43 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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