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Fault CodeDPF / emissions

P242F: Diesel particulate filter ash accumulation

The ECU has calculated excessive ash or restriction in the diesel particulate filter.

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Fault CodeDPF

P2002: Diesel particulate filter efficiency below threshold

The ECU calculates that particulate-filter performance is below its required threshold.

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Fault CodeDPF

P2459: Diesel particulate filter regeneration frequency

The ECU has detected that DPF regeneration is occurring more frequently than expected.

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Fault CodeDPF

P2463: Diesel particulate filter soot accumulation

Calculated soot loading has reached a level that requires diagnosis before normal operation can continue.

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Fault CodeDiesel preheating

P0670: Glow-plug control module circuit

The engine controller detects a fault in the glow-plug module or its main control circuit.

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Fault CodeDiesel preheating

P0671: Cylinder 1 glow-plug circuit

The glow-plug circuit for cylinder 1 has an electrical or current-consumption fault.

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Fault CodeDPF

P2458: DPF regeneration duration

A diesel particulate filter regeneration took too long or did not complete as expected.

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Fault CodeFuel delivery

P0093: Large fuel-system leak detected

Fuel pressure is dropping at a rate that the ECU interprets as a major leak or excessive internal loss.

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Fault CodeAdBlue / SCR

P20EE: SCR NOx catalyst efficiency below threshold

The SCR system is not reducing NOx emissions as effectively as the ECU expects.

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