Faults
Fault or fault combination
#Fault code
P0403
Valve for exhaust gas recirculation (N18) - malfunction
and
Fault code can be cleared, but is stored once again immediately, no actuator check is possible for this valve.
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Engine doesn't start, there is no communication between the ecu and the diagnostic tool
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Engine switches off while driving, does not start anymore. There is no communication between the ECU and the diagnostics device.
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Other faults on request |
Important repair hints (!)
There are very often issues with power supply of the units. We always recommend to check:
- 12 V power supply
- electrical earthing (oxidised mass points)
- main relay
Attention!
Currently, faults with regard to the camshaft sensor and the crankshaft sensor can unfortunately not be checked.