PACCAR MX (2004 Emissions) Fault Code: P2275 Water in Fuel - Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A49)

PACCAR MX (2004 Emissions) Fault Code: P2275 Water in Fuel - Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A49)

SET CONDITIONS:
This DTC is set when the ECU detects a higher voltage than expected on the signal or control circuit of the ECU.

DIAGNOSTIC CONDITION:
This diagnostic runs continuously when the engine is running.

CORRESPONDING OBD READINESS MONITOR:
None

RESET CONDITION:
This DTC changes to inactive when the fault is no longer detected. To validate the repair, monitor the water in fuel sensor signal with the diagnostic service tool.

REPAIR VERIFICATION:
1. Clear all DTCs.
2. Test drive or operate the vehicle to meet the diagnostic conditions and set conditions.
3. Did the DTC come back?
- No, repair successful
- Yes, repair unsuccessful

POSSIBLE CAUSES:
1. The sensor or actuator signal wiring has a short circuit to supply.
2. Faulty water in fuel sensor

ADDITIONAL INFORMATION:
1. The water in fuel sensor is part of the fuel filtration module (L097).
2. The sensor voltage can be monitored with the diagnostic service tool.

If you want to know other articles similar to PACCAR MX (2004 Emissions) Fault Code: P2275 Water in Fuel - Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A49) you can visit the category DTC TRUCKS.