P2A37
AFCM Power Relay Sense Circuit High
P2A37 is an OBD-II diagnostic trouble code meaning: AFCM Power Relay Sense Circuit High. Common causes: afcm relay malfunction, open or short circuit in the relay control circuit. Estimated repair cost: $6–22.
Symptoms
- Unstable engine operation
- Increased fuel consumption
- Difficulty starting the engine
- Check Engine Light Is On
- Loss of engine power
Causes
- AFCM relay malfunction
- Open or short circuit in the relay control circuit
- Wiring harness damage
- Problems with the engine control unit
- Short circuit in power supply
How to Fix
- Check AFCM relay for damage
- Diagnose the relay control circuit
- Inspect the wiring harness for damage
- Check the engine control unit for errors
- Replace AFCM relay if necessary
Related codes
Error P2A37 by Vehicle Brand
FAQ
What does the P2A37 code mean?
P2A37 is an OBD-II diagnostic trouble code that indicates: AFCM Power Relay Sense Circuit High
What causes a P2A37 error code?
The most common causes of P2A37 include: AFCM relay malfunction; Open or short circuit in the relay control circuit; Wiring harness damage; Problems with the engine control unit.
How do I fix a P2A37 diagnostic trouble code?
To fix P2A37: Check AFCM relay for damage. Diagnose the relay control circuit. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2A37?
Limited driving only, diagnose soon
How much does it cost to fix P2A37?
The estimated repair cost for P2A37 is $6–22. Actual cost depends on your vehicle, location, and labor rates.
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