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C15 MXS51968 codes 284-5 and 385-3

Discussion in 'Trucks [ Eighteen Wheelers ]' started by fftrkenia, Oct 30, 2019.

  1. Oct 30, 2019 #1
    fftrkenia

    fftrkenia Bobtail Member

    1
    0
    Jul 26, 2019
    0
    Hi. I have a C15 MXS51968 that has codes:
    22-11
    284-5
    385-3
    Truck turns on good but after advancing about 150 ft it turns off, If you turn it on inmmediatly it will run but shuts down after as I explained above. Only that codes are logged on the ECM. Tried changing sensor and valve as codes 284-5 and 385-3 but still the same result. Any idea what could be the problem?
     
    fftrkenia, Oct 30, 2019
    fftrkenia, Oct 30, 2019
    #1
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  3. Oct 30, 2019 #2
    Wheeljack

    Wheeljack Light Load Member

    105
    1,051
    Sep 16, 2019
    0
    Here is what the codes mean.
    98 284-05 2988-05 ENGINE COOLANT DIVERTER SOLENOID CURRENT LOW

    95 385-03 2948-03 INTAKE VALVE ACTUATION OIL PRESSURE VOLTAGE HIGH

    42 22-11 637-11 PRIMARY TO SECONDARY ENGINE SPEED SIGNAL CALIBRATION

    The engine coolant diverter valve is on the right side just under the turbo. The harness is run behind and under the exhaust manifold. Heat makes them brittle and can short out or break. CAT makes a harness kit and reroutes that harness away from the heat.

    Intake actuation pressure sensor can fail and give you a code 95. It is located on the passenger side in front on motor by the t-stat housing.
     
    Last edited: Oct 30, 2019
    Wheeljack, Oct 30, 2019
    Wheeljack, Oct 30, 2019
    #2
    pushbroom, Oxbow and Goodysnap Thank this.
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