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VW Passat 2.0tdi: Error Codes 01314 & P0321, Replaced Bosch RPM Sensor, Unsuccessful Restart

bobo 44 15207 9
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  • #1 16397372
    bobo 44

    Level 18  
    Hello, there were errors, a flashing spiral, the esp symbol and parking, both errors appeared after connecting the computer.
    I replaced the bosch RPM sensor according to the error / with great difficulties / deleted the errors and the car fired it was nice, but only 10 minutes after that time, the car went out and the attempt to start was unsuccessful, moreover, the same errors popped up again, if anyone has any suggestions, how good, charging is good too, contacts are fine too
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  • #2 16397715
    mario 77
    Level 23  
    It would be advisable to check whether this error from the shaft sensor pops up only after too long unsuccessful firing attempt. Erase the errors, try to ignite and see if the ECU can see the engine speed, just don't cut too long. You will see if an error occurs. It seems to me that the former may be more important.
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  • #3 16397723
    bobo 44

    Level 18  
    I deleted the errors and when I try to start, these errors pop up again.
  • #4 16397730
    szymitsu21
    VIP Meritorious for electroda.pl  
    Please provide error description.
    I don't think replacing them would help ..
  • #5 16397742
    mario 77
    Level 23  
    ECU sees rotation when trying to fire?
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  • #6 16397749
    bobo 44

    Level 18  
    01314 electronic engine control module constant error
    P0321 Engine speed sensor constant error

    Added after 9 [hours] 58 [minutes]:

    Hello, if the tachometer measures the revolutions from the RPM sensor or the camshaft sensor, I will add that if the camshaft speed sensor is separated, the engine immediately goes out, and if the RPM sensor is separate, the engine continues to run
  • #7 19800941
    rosniakos
    Level 10  
    Siemanko, I am sorry for uncovering the topic. What was the cause of the fault?
    I have identical problems with my golf 5.1.9tdi 2006 bls engine.
    3 the mechanic spreads his hands, the car goes into emergency mode - it is not driving. The massacre is burning hard, and unfortunately my wallet is shrinking.
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  • #8 19801007
    bobo 44

    Level 18  
    from what I remember there was a break in the cable bundle coming from the computer, probably 2 broken cables
  • #9 19802138
    rosniakos
    Level 10  
    Thank you very much for the quick reply, then I'm looking for it.
  • #10 19802355
    bobo 44

    Level 18  
    more precisely, it was worn insulation on the cables in a bundle in a conduit and water got there, only the insulation of these cables had an effect, and one was broken and the insulation was a tedious job
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Topic summary

The discussion revolves around a VW Passat 2.0 TDI experiencing persistent error codes 01314 (electronic engine control module constant error) and P0321 (engine speed sensor constant error) after replacing the Bosch RPM sensor. Despite the initial successful start, the vehicle stalled after ten minutes, and the same errors reappeared. Participants suggested checking the ECU's ability to detect engine speed during ignition attempts and highlighted the importance of inspecting wiring for potential breaks or insulation issues, which could lead to similar symptoms. One user noted that a previous case involved damaged cables in the wiring harness, which caused similar problems.
Summary generated by the language model.
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