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Thread: CRUISE CONTROL NOT WORKING

  1. #11
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    Feb 2013
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    I seem to remember finding some good procedures on rr.net. I also upgraded to the D2 controller

    Most likely cause is the hoses though as Ron has said

    Steve

  2. #12
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    Apr 2015
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    I just fixed the cruise on my Classic soft dash which is pretty much the same as the P38.

    I found 2 problems:

    1. The rubber tubes where split
    2. The brake peddel switch clips had broken and sort of fell off the mount.

    I also fixed up my Brother in Laws P38 which was only the split rubber tubes.
    04 L322 Vogue V8 - Work truck
    07 Freelander 2 TD4 SE - The wifes
    74 Leyland P76 Targa Florio - Aspen Green
    91 Kawasaki GPZ900R


    Previous LRs = 78IIa series - 81, 93, 95 RRC - D2V8

  3. #13
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    Jan 2016
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    @thetree what's that about a D2 controller? I have replaced my unit under the dash once already but it seems to be broken AGAIN. I was already contemplating fitting a aftermarket cruise control since this system is unreliable, unnecessarily complex and uses a vacuum pump that can wear out and is not serviceable.

    -P

  4. #14
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    Quote Originally Posted by prelude View Post
    @thetree what's that about a D2 controller? I have replaced my unit under the dash once already but it seems to be broken AGAIN. I was already contemplating fitting a aftermarket cruise control since this system is unreliable, unnecessarily complex and uses a vacuum pump that can wear out and is not serviceable.

    -P
    Hi Mate

    There are a few references to this if you google "p38 cruise control D2 update" but here is one to start with, it's the later D2 / P38 controller


    Retrofit D2/Bosch P38 Cruise Control ECU into D1/GEMS P38 - DiscoWeb Message Boards

    Regards
    Steve

  5. #15
    Join Date
    Oct 2017
    Location
    nowra
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    CRUISE CONTROL NOT WORKING

    Just before my TPS went bad the cruies control stopped working ,,,maybe 1000k`s
    Have you looked at the RR with a nanocom ,?

  6. #16
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    Jan 2016
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    That's an excellent idea! use the bosch unit. I still have a bosch wrecker in the backyard, I see a rainy sunday afternoon job coming up. Thanks for the tip!

    -P

  7. #17
    Join Date
    Jan 2016
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    For those who care to know: yesterday I took the cc unit out of the wrecker I have in the backyard and spliced the plug onto my car. I have been putting this of for a long time since I seriously dislike cutting into factory wiring looms but since I'll be going on a long trip tomorrow... I am happy to report that the job is extremely easy and what's more, it works!

    So, using a D2 or bosch P38 cc unit seems to be the way to go, and seriously simple.

    Thanks!

    -P

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