Smart CDI Fault codes....

Discussion in 'Engine' started by Nicam99, Apr 4, 2014.

  1. Nicam99

    Nicam99 New Member

    Apr 4, 2014
    2011 CDI, around 9000 miles on the clock...

    The car has been jolting a little, like when a petrol car has a slight misfire and then clears itself, then a few weeks ago it went into limp mode, no lights on the dash, just the normal not revving above 3000rpm.

    I have attached Das, and there is a fault in the N3/9 CDI Control Unit,

    P2306 Sensor supply voltage is too high or too low Stored
    P0190 The signal from the b4/6 (Rail pressure sensor) is implausible or no signal.

    I have run the tests, the voltage is 4.97 (range 4.6-5.2) so that's ok....

    I have done the offset test and it says it all ok.

    Cleared the codes, drive it and they come back.....


    Im in Essex if anyone has any ideas...

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