Qashqai and Juke diesel, shared with Renault. Guard oil quality and change intervals - that is the key to this unit’s longevity.
Click a code for the full breakdown: symptoms, causes, and whether you can keep driving.
Fuel Rail/System Pressure Too Low
Measured fuel pressure is below what the ECU commands - the engine may be starved of fuel under load.
Turbocharger Underboost
The turbo is producing less boost pressure than the ECU requests.
Glow Plug Module Control Circuit (Diesel)
The control circuit of the diesel glow plug module has a fault.
Diesel Particulate Filter Efficiency Below Threshold
The DPF is not trapping soot as it should - it may be damaged, removed, or overloaded.
EGR Flow Insufficient
The exhaust gas recirculation valve is not flowing enough exhaust back into the intake, usually due to carbon buildup.
System Voltage Low
The ECU sees battery/system voltage below normal while the engine runs.
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