Thread: Speedometer stops working in Neutral...

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  1. #41 Re: Speedometer stops working in Neutral... 
    GrandPrix Junkie Booba5185's Avatar
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    it's a 2000 grand prix, and yes, the BTSI is working correctly, with no change on the speedometer issue.
    Retros, LEDs, SD Hood GMPP, Votland, Addco
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  2. #42 Re: Speedometer stops working in Neutral... 
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    You might want to check the engine wire harness where it goes near the a/c accumulator. They will rub through there and have intermittent opens and shorts. It could cause your abs light and speedo problem.

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  3. #43 Re: Speedometer stops working in Neutral... 
    GrandPrix Junkie Booba5185's Avatar
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    The harness that goes to front passenger side WSS? That's been replaced. I've been told that the VSS is the only thing responsible for speedometer operation, the WSS's are left out of that circuit.
    Retros, LEDs, SD Hood GMPP, Votland, Addco
    06+ Impala brakes, L76 Springs, ERs, Self-Tuned, 3.5 Gen V L32, Ported TB, 240a CS144, SSAC, Upgraded Transmission, Android Head Unit, Remote stuff, GXP Seats

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  4. #44 Re: Speedometer stops working in Neutral... 
    Turbo is the way to go. BillBoost37's Avatar
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    He means the main harness where it comes across the radiator support and down to the airbox/pcm. The accumulator is directly under the harness there.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  5. #45 Re: Speedometer stops working in Neutral... 
    GrandPrix Junkie Booba5185's Avatar
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    I gotcha. Now that my car is thawed out I can actually check these connections, lol.
    Retros, LEDs, SD Hood GMPP, Votland, Addco
    06+ Impala brakes, L76 Springs, ERs, Self-Tuned, 3.5 Gen V L32, Ported TB, 240a CS144, SSAC, Upgraded Transmission, Android Head Unit, Remote stuff, GXP Seats

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  6. #46 Re: Speedometer stops working in Neutral... 
    GrandPrix Junkie Booba5185's Avatar
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    Everything checked out fine, so I swiped a new EBTCM from a JY and swapped it in. I now have a speedometer in Neutral. I still have a TCS OFF light and ABS thought, but I do have a speedometer now, lol.
    Retros, LEDs, SD Hood GMPP, Votland, Addco
    06+ Impala brakes, L76 Springs, ERs, Self-Tuned, 3.5 Gen V L32, Ported TB, 240a CS144, SSAC, Upgraded Transmission, Android Head Unit, Remote stuff, GXP Seats

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  7. #47 Re: Speedometer stops working in Neutral... 
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    I had the TCS, ABS and Stability control off issue. Replaced the wheel speed sensor harness's on both the front and haven't seen the issue again.
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  8. #48 Re: Speedometer stops working in Neutral... 
    GrandPrix Junkie Booba5185's Avatar
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    I've tested all 4 wheel bearings at the EBTCM connector, and all 4 wheel sensors are new. I'm wondering if I should have codes pulled again since it has slightly different behavior (working speedometer in neutral).
    Retros, LEDs, SD Hood GMPP, Votland, Addco
    06+ Impala brakes, L76 Springs, ERs, Self-Tuned, 3.5 Gen V L32, Ported TB, 240a CS144, SSAC, Upgraded Transmission, Android Head Unit, Remote stuff, GXP Seats

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  9. #49 Re: Speedometer stops working in Neutral... 
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    my abs and tcs lights were on all the time and registered nothing on tach or speed it was my crankshaft position sensor
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  10. #50 Re: Speedometer stops working in Neutral... 
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    Fixed! it ended up being the EBTCM, it's replaced and my TCS and ABS works, as well as the speedometer (in neutral).
    Retros, LEDs, SD Hood GMPP, Votland, Addco
    06+ Impala brakes, L76 Springs, ERs, Self-Tuned, 3.5 Gen V L32, Ported TB, 240a CS144, SSAC, Upgraded Transmission, Android Head Unit, Remote stuff, GXP Seats

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