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How To Add rear Park assist

Discussion in '4th Gen DIY' started by skuppy069, Oct 6, 2018.

  1. the_nid

    the_nid Junior Member

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    Yes
     
  2. GWR Ram

    GWR Ram Senior Member

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    Have you had a chance to go into alpha, select Ram 1500, select Body Computer, select Body Computer My2018 Powernet, then click on Connect and once connected go to Select procedure to start, go all the way down to bottom of page and select Car configuration change. At this point start looking for the list of things to select yes on to turn your Park Assist on. If you have everything selected to yes that I sent you and it still doesn’t work, go back and look at you 2 plus connectors and MAKE sure you have the correct wire going into the correct location on the connectors.

    If you have it all connected correctly and selected the settings in alfaobd and you still don’t have park assist in the rear, you might have a bad sensor or the wrong sensors.

    Hope this helps.
     
  3. skuppy069

    skuppy069 Senior Member

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  4. skuppy069

    skuppy069 Senior Member

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  5. Michael Trevisan

    Michael Trevisan Junior Member

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    What would cause the front park sensors to go double red when the truck is put in to drive?


    Sent from my iPhone using Tapatalk
     
  6. the_nid

    the_nid Junior Member

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    Ahh, was able to connect to it...not sure why it didn't work before. I see the faults for all sensors. The front ones are ground short (they are not installed), but the rear ones have a "performance or operation" faults. I checked the voltage on the individual sensors and they appear to be getting ~9 volts and from what I can tell are wired correctly. I have swapped out 3 different sets just to make sure that they weren't defective. When I clear the faults the lights on the front and rear park assist buttons go away, but as soon as I put the truck in reverse I get the faults back, lights on the buttons come on and message in the cluster is back as well.
     
  7. skuppy069

    skuppy069 Senior Member

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    Can you do a system wiring test with Alpha when connected to the park assist module .
    You will see the faults for all the front sensors but will be good to see what the rear sensors have to say
     
  8. the_nid

    the_nid Junior Member

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    I did and it came back with the same results as when I read the faults, "Performance or incorrect operation". One thing I noticed this time is that there are only 9 faults where I would expect 10, as there are 10 sensors. It appears that sensor #10 is not generating a fault? I looked at it and can't find anything special about it or its' wiring. I'll swap it out with another to see what that does.
     
  9. GWR Ram

    GWR Ram Senior Member

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    You might have the wrong sensors.
     
  10. GWR Ram

    GWR Ram Senior Member

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    This is what I bought

    66DA1547-1814-4C23-B799-2F581D4BFEEA.png
     
    SRich2015 likes this.

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