'01 9400 12.7 flash code 31

Discussion in 'International Forum' started by double yellow, Dec 9, 2015.

  1. double yellow

    double yellow Road Train Member

    5,946
    10,066
    Aug 28, 2011
    State of Jefferson
    0
    Code 31: Aux. High Side Output Open Circuit or Short to Ground

    What is that referring to? Code flashed momentarily under braking -- has not appeared before and is not currently triggering a fault...
     
  2. Truckers Report Jobs

    Trucking Jobs in 30 seconds

    Every month 400 people find a job with the help of TruckersReport.

  3. double yellow

    double yellow Road Train Member

    5,946
    10,066
    Aug 28, 2011
    State of Jefferson
    0
    What is the auxilary output?
     
    blairandgretchen Thanks this.
  4. OA387

    OA387 Bobtail Member

    14
    3
    Dec 9, 2011
    Ft Meade, FL
    0
    Hello,
    I know this post is old but, did you find out what the issue was?
    I do have this fault code and am curious what the problem was.
    Thanks
     
  5. Heavyd

    Heavyd Road Train Member

    7,770
    6,210
    Feb 4, 2009
    0
    Output for the engine brake solenoids. ECM is detecting an open or short in the circuit.
     
  • Truckers Report Jobs

    Trucking Jobs in 30 seconds

    Every month 400 people find a job with the help of TruckersReport.