[Main 95 Bulletin Board | BBFAQ | Prev by Date | Next by Date | Post Followup ] Member Login / Signup - Members see fewer ads. - Latest Member Gallery Photos Re: what's the culprit if the speedo still works? Like This Post: - Subscribe to Daily Digest for this Bulletin Board Posted by Dano in Texas [Email] (#1125) [Profile/Gallery] (more from Dano in Texas) on Sun, 15 Apr 2012 11:32:34 In Reply to: what's the culprit if the speedo still works?, jeff in MD, Sun, 15 Apr 2012 11:13:22 Alert me when someone posts in this thread: Members do not see ads below this line. - Help Keep This Site Online - Signup

Jeff,
My 2004 Aero wagon started getting the same symptoms you note with the speedo still working. It was only happening during the hot months and disappeared from fall through spring. I sent the ABS unit to reman bbs and when I reinstalled the symptoms came back several months later when the wx turned hot again. I took it to the dealer and they pulled a code with the Tech 2 that seemed to indicate a bad wheel sensor or loss of signal from the sensor. They replaced one of the sensors on the back wheels. Symptoms returned in hot wx. The last time I mentioned it at the dealer, they now think, based on a service bulletin (apparently), that the loss of signal may be corrosion in a junction splice coming from the rear sensors to the abs unit. When the wx gets hot it results in higher resistance in the current flow and loss of signal. I don't know if this unique to the wagon. Our 2003 Aero sedan has only had the ABS/TCS off symptoms once or twice I think (wife's car). When I get a chance I was going to try and follow the wires from the rear wheels and see what I discover. Maybe I can fix it myself.

posted by 75.1.18...

_______________________________________
2015,5 Volvo V60CC T5
2014 Volvo S60 T5
2003 9-5 Aero Sedan (sold)
2004 9-5 Aero Wagon (sold)
1996 NG900 (sold)
1989 900 (donated)

• Dash lit up, MIL, TCS, ABS, no speedo., turbostud, Sat, 14 Apr 2012 22:22:41
  • is this what I need? (link), turbostud, Tue, 17 Apr 2012 18:05:58
  • Re: Dash lit up, MIL, TCS, ABS, no speedo., saabsince 93b , Sun, 15 Apr 2012 06:05:26
    • what's the culprit if the speedo still works?, jeff in MD, Sun, 15 Apr 2012 11:13:22
      • Re: what's the culprit if the speedo still works?, Dano in Texas , Sun, 15 Apr 2012 11:32:34 <-- Viewing This Message
    • sure enough, P1925, turbostud, Sun, 15 Apr 2012 07:32:46
      • Don't bet on it......, MI-Roger , Sun, 15 Apr 2012 07:36:40
        • the lights came on 2 times, but then went off, turbostud, Sun, 15 Apr 2012 14:59:28
          • P1925 means failed communication between ABS & ECU, MI-Roger , Sun, 15 Apr 2012 15:38:12
            • on mine (2003 aero) the ring gear foir the wheel sensor, TimBrown, Mon, 16 Apr 2012 10:40:51

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