PACCAR MX (2004 Emissions) Fault Code: P1216 Injector Solenoid Valve Cylinder 6 - Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A8)

SET CONDITIONS:
The PCI ECU (D420) detects a too high voltage or a short circuit to supply on the ECU pin A8 circuit.

DIAGNOSTIC CONDITION:
This diagnostic runs 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 enable the injector output, the DTC must be cleared.

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:
Short circuit to supply in the circuit of ECU pin A8

ADDITIONAL INFORMATION:
The injector output is disabled by the PCI ECU when this DTC is detected. The output stays disabled until the DTC is cleared.

PACCAR MX (2004 Emissions) Fault Code: P1215 Injector Solenoid Valve Cylinder 6 - Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A8)

PACCAR MX (2004 Emissions) Fault Code: P1214 Injector Solenoid Valve Cylinder 6 - Short Circuit Between ECU (D420) Pin (A7) and Pin (A8)

PACCAR MX (2004 Emissions) Fault Code: P1213 Injector Solenoid Valve Cylinder 6 - Current Too Low or Open Circuit on ECU (D420) Pin (A7) and or Pin (A8)

PACCAR MX (2004 Emissions) Fault Code: P1212 Injector Solenoid Valve Cylinder 3 - Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A5)

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