Author Bike going into Limp Mode Help  (Read 1463 times)

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  • Offline cmurg1   au

    • Crosstourer Junior  ‐    5
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    Offline cmurg1

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    Bike going into Limp Mode Help
    on: Dec 14, 2021, 07.39 am
    Dec 14, 2021, 07.39 am
    Hi I am located in Australia and I have a 2016 Crosstourer manual with 40k klms.
    The bike has always been ultra reliable but recently has been going into limp mode and the yellow engine light on the dash comes on. When this happens the bike drops to idle speed and wont accelerate or do anything else and this is not good when you're riding along at speed. The bike will not go again properly until it's been restarted.
    The engine light will remain on until it's been restarted a few times then it goes away until the next time the fault occurs. I was able to get the fault code out of it by shorting the Data Link Connector (DLC) and reading the blinking error code of the engine light.
    The code was eight long blinks and 4 short which is code 84 ' Electronic Control Unit (ECU) processor failure' according to the service manual.
    I have used the service manual downloaded with the link from this site but it is missing some parts of section 4 (PGM-FI System) past page 4-13. Past this page gives more details on each issue.
    Any help would be appreciated and if anyone has the sections of the manual I'm after that would be great.

  • Offline DaveinNC   us

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      #1

    Offline DaveinNC

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    • Riding since 1968
    • Bike: 2017 VFR1200X
    • City / Town: Matthews NC
    • Country: us
    Re: Bike going into Limp Mode Help
    Reply #1 on: Dec 14, 2021, 11.40 am
    Dec 14, 2021, 11.40 am
    Go to my Fb group, all of the manuals are loaded there in the files section. It is a private group so you will have to join. I am the primary admin for the group. The first thing I would do is check the ECU connector plugs, clean them good and use some dielectric grease on the plugs. Typically things like this are as simple as some corrosion on a pin.

    Honda VFR1200X Crosstourer Owner's Group.

    There is a black and red bike on the cover photo, we have almost 3000 members. 

  • Offline cmurg1   au

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    Offline cmurg1

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    Re: Bike going into Limp Mode Help
    Reply #2 on: Dec 15, 2021, 11.06 am
    Dec 15, 2021, 11.06 am
    Hi thanks for the feedback however this manual is missing the same pages.

  • Offline Ernest_T_Bass   us

    • Crosstourer Member  ‐    63
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      #3

    Offline Ernest_T_Bass

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    • Bike: 2017 VFR1200x
    • City / Town: NE Florida
    • Country: us
    Re: Bike going into Limp Mode Help
    Reply #3 on: Dec 15, 2021, 01.45 pm
    Dec 15, 2021, 01.45 pm
    *Originally Posted by cmurg1 [+]
    Hi thanks for the feedback however this manual is missing the same pages.

    PM sent

  • Offline cmurg1   au

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    Offline cmurg1

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    Re: Bike going into Limp Mode Help
    Reply #4 on: Jan 04, 2022, 11.19 pm
    Jan 04, 2022, 11.19 pm
    Hi just wanted to update on what's happening with my issue. I made a jumper cable for the DLC and reset the ECU according to the service manual. I managed to get the missing parts of the manual by looking at a VFR1200F manual. No issues ever since but I have only done about 150 Klms so here's hoping it doesn't do it again. Thanks to everyone who replied with help.