"ASC/TRAC Not Available" Messages Persist-Do I really need to check the ABS Module?
#1
"ASC/TRAC Not Available" Messages Persist-Do I really need to check the ABS Module?
Hi Folks. I cleaned all four wheel speed sensors and did a (quick) inspection of the wiring harnesses. All seems fine, but after a test drive, I still get these two messages (but no ABS message). Before I break into the ABS Module, is it really likely that unsoldered contacts could be the fix? FWIW, the TRAC light in the center stack button doesn't light when pressed and the two lights on the shifter surround buttons (speed limiter and S) remain lit. Are there any other suggestions for a DIY'er fix?
Last edited by Poppyboy; 10-19-2014 at 08:36 PM.
#4
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Poppyboy (10-20-2014)
#5
The links should help you out.
Link OBDII Codes http://www.jagrepair.com/DTCforms/X103_C_DTC.pdf
Link Wiring http://www.jagrepair.com/images/Auto.../jagxk2002.pdf
Link to ABS JagRepair.com - Jaguar Repair Information Resource
The ABS check list is for a MY 1999 but I think it is the same on the 2002. Good Luck!
Link OBDII Codes http://www.jagrepair.com/DTCforms/X103_C_DTC.pdf
Link Wiring http://www.jagrepair.com/images/Auto.../jagxk2002.pdf
Link to ABS JagRepair.com - Jaguar Repair Information Resource
The ABS check list is for a MY 1999 but I think it is the same on the 2002. Good Luck!
#6
Thanks, all. After struggling with the four ABS circuit lines, I opened up the ABS Module and lo and behold, it looked like the soldering points were partially detached/degraded. I re-soldered them-hopefully with not too much new material. Is it possible to over-solder the points (make them too goopy)? I'm waiting overnight for the adhesive to cure. I hope to reinstall tomorrow. Stay tuned...
#7
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#8
I usually bend the brake line out of my way very slowly to remove the module, then cut open the area to be soldered with a old soldering tip, use a small flat head to scrape the protective moisture coating off the old solder,apply a little flux to the pins then re-solder.
After that I just put a piece of black duck tape over the area, then black rtv and let dry.
After that I just put a piece of black duck tape over the area, then black rtv and let dry.
#9
Wow am I impressed. After waiting overnight for the adhesive to cure, I reinstalled the module this morning, and it actually cleared both messages!!!! I am so relieved. I ABSolutely didn't think it would work (given that there were no actual ABS messages), but it did. Reinstalling that windshield washer filler neck was a royal pain (hint: use a screwdriver from the open area on the left to hold the protruding hose in position as you turn and lock on the filler neck). A huge thanks to everyone for their technical expertise and support!
Last edited by Poppyboy; 10-21-2014 at 10:50 AM. Reason: Typo
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oldjaglover (10-03-2021)
#11
Yeah. That was a real success. Now I need to bite the bullet by getting the front upper and lower wishbone and sway bar bushings replaced at $700 for labor (already bought the bushings for $145). Then, I need to address the following leaks (probably next year): Valve cover gaskets, oil cooler lines, oil pressure sensor, differential, upper A/C line. Yikes.
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Gus (10-23-2014)
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