Thread: engine power limiter/spoiler/Odometer/ speedometer
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Old Nov 21, 2023 | 12:54 PM
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pizzaguy
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From: Fort Worth, Texas
Default Re: engine power limiter/spoiler/Odometer/ speedometer
I was in Milano for 16 days in 2018 for training at http://www.radioactivity-tlc.com/
Milano is a beautiful city with a very good public transportation system and wonderful people.


A failure in the "Traction Control Relay Output" (TCRO) in the RCM means that the ABS module has no power, and that causes these symptoms:
  • ABS light on
  • BAS/EXP light on
  • Odometer doesn't work, speedometer doesn't work.
  • The spoiler is always open/up
  • The ABS controller will not work or respond to any scanner or diagnostic tool.

I believe that your RCM's TCRO is bad, so put in a new RCM:
https://www.autohausaz.com/pn/141401...BoCgJQQAvD_BwE

You can change this yourself, it plugs in and you need NO tools. It is in the box next to the battery:
 
Last edited by pizzaguy; Nov 21, 2023 at 01:00 PM.
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