Has anyone had a check engine code P1611 ?

Discussion in 'SRT Hellcat General Discussions' started by ramair111, May 4, 2015.

  1. ramair111

    ramair111 Silver Member

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    My check engine light lit up first morning when I started car. Drove 25 miles to dealer and they took it right in and checked it over for two hours. Looked for any reports of this and found none. They reset and its been fine for 200 miles. Code was a super charger sensor reading high.
     
  2. B5 Blue

    B5 Blue Platinum Member

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  3. ramair111

    ramair111 Silver Member

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    B5, it was built around March 25th, they did not find any TSB"s on it.
     
  4. B5 Blue

    B5 Blue Platinum Member

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    That takes it out of the range. We need fnkychkn to give us his insight and the DTC parameter
     
  5. fnkychkn

    fnkychkn swollen member Gold Supporting Member

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    can't say I've ever seen this code.


    P1611-SUPERCHARGER BYPASS VALVE POSITION SENSOR 1 CIRCUIT HIGH
    Theory of Operation
    The Supercharger boost pressure is managed by the use of a Supercharger Bypass (SCB) Valve. The PCM can vary the position of the SCB Valve to control the amount of boost. The SCB system uses two Position Sensors to monitor the SCB blade position. Position Sensors are located within the SCB Valve assembly. Each sensor has its own Signal circuit. Both sensors share a 5-Volt reference circuit (Supply) and a low reference circuit (Sensor Return). The Powertrain Control Module (PCM) monitors the SCB Valve Sensor data. Each Signal circuit provides the PCM with a signal voltage proportional to SCB blade movement. The PCM monitors the data to verify that the indicated SCB position is correct.


    When Monitored and Set Conditions
    When Monitored: This diagnostic runs continuously when the following conditions are met:
    • With the ignition on.
    • Battery voltage greater than 10.4 volts.
    Set Conditions:
    • The TPS 1 Signal voltage is above the maximum calibrated threshold.
    Default Actions:
    • The MIL light will illuminate.

    Possible Causes

    5-VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
    SCB VALVE SIGNAL 1 CIRCUIT SHORTED TO VOLTAGE
    SCB VALVE 1 SIGNAL CIRCUIT SHORTED TO THE 5-VOLT SUPPLY CIRCUIT
    SCB VALVE SIGNAL 1 CIRCUIT SHORTED TO THE SCB VALVE CONTROL (+) CIRCUIT
    SCB VALVE SENSOR GROUND CIRCUIT OPEN/HIGH RESISTANCE
    SUPERCHARGER BYPASS VALVE
    POWERTRAIN CONTROL MODULE (PCM)
     
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  6. F6F

    F6F BANNED

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  7. hellcat1

    hellcat1 Gold Member

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    So where are these scb at l on the engine/ supercharger. . Can you upload some pictures
     
  8. B5 Blue

    B5 Blue Platinum Member

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    If it's using 2 position sensors one should increase while the other decreases. If it's not hardwired from PCM to sensor I would suspect the connection in between and in either case check the pin fit but I have no wiring diagram. I seriously doubt it's the PCM.
     
  9. hellcat1

    hellcat1 Gold Member

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    This gets the wheels in my head turning.....thinking only good things
     
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  10. fnkychkn

    fnkychkn swollen member Gold Supporting Member

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    [​IMG]
     
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  11. Zebug

    Zebug Gold Member

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    Fnky is right there with RS for this community. Thank you for your contributions
     
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  12. hellcat1

    hellcat1 Gold Member

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    Hmmmmmm, maybe there is a way to tweak this to stay open longer/ or closed longer????
     
  13. B5 Blue

    B5 Blue Platinum Member

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    I second that!
     
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  14. B5 Blue

    B5 Blue Platinum Member

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    Doc was playing with the valve, it's an 80mm throttle body if my memory serves me right
     
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  15. ramair111

    ramair111 Silver Member

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    The tech checked all of the circuits and connections and found nothing wrong. Excellent service no waiting, took it right in and got to work.
     
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