P15E2
Alternative Fuel System Request Signal Message Counter Incorrect
P15E2 is an OBD-II diagnostic trouble code meaning: Alternative Fuel System Request Signal Message Counter Incorrect. Common causes: alternate fuel control module malfunction, problems in the car's can bus. Estimated repair cost: ~$167.
Symptoms
- Check Engine indicator on the dashboard
- Switching to the main fuel type
- Reduced engine power
- Unstable operation on alternative fuels
Causes
- Alternate fuel control module malfunction
- Problems in the car's CAN bus
- Oxidation of contacts in system connectors
- Damage to the system wiring harness
- Software error in the ECU
How to Fix
- Check connections and connectors of the alternative fuel system
- Diagnose the state of the CAN bus
- Check operation of the alternative fuel control module
- Update ECU software (if updates are available)
- Test the system after repair
Related codes
FAQ
What does the P15E2 code mean?
P15E2 is an OBD-II diagnostic trouble code that indicates: Alternative Fuel System Request Signal Message Counter Incorrect
What causes a P15E2 error code?
The most common causes of P15E2 include: Alternate fuel control module malfunction; Problems in the car's CAN bus; Oxidation of contacts in system connectors; Damage to the system wiring harness.
How do I fix a P15E2 diagnostic trouble code?
To fix P15E2: Check connections and connectors of the alternative fuel system. Diagnose the state of the CAN bus. Check operation of the alternative fuel control module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P15E2?
Yes, but get it checked soon
How much does it cost to fix P15E2?
The estimated repair cost for P15E2 is ~$167. Actual cost depends on your vehicle, location, and labor rates.
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