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ABS/DSC question (Bad ABS module) DSC fault

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Old 01-02-2017, 09:37 PM
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Lightbulb ABS/DSC question (Bad ABS module) DSC fault

Dear Jaguar enthusiasts,

This may be off the wall and forgive my ignorance; Just trying to think outside of the box regarding a 2005 X-Type with a bad ABS module, per my mechanic(it is a refurbished module).

My thoughts:

ABS/DSC(from my knowledge)assists the car in unstable conditions such as snow/rain, right? I live in Florida and do not do a lot of driving with this car. My Question is, is it possible to get rid of the ABS module(or disable it)and hack the computer to bypass(somehow)the system in order to get rid of all the lights??? ABS light, check engine light, and DSC fault showing and cruise control not engaging. - I am more mad that cruise control is unable to engage.

If possible, what are the consequences? What kind of impact may it have on the AWD system(just thought about this)?

Interested to see responses,
 
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Old 01-03-2017, 01:04 AM
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No, but you could change it for a used module cheaper and easier.
 
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blackonblackXtype05 (01-03-2017)
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Old 01-03-2017, 01:48 PM
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Thanks, JagV8 for the response.

So what you're saying is, I cannot hack the system and bypass ABS in someway, right? In order to get rid of the warning lights. Or eliminate ABS from the system in order to eliminate the warning lights. I ask that because my ABS module is deffective and my car is still driving without issue(besides cruise not being available). So it makes me assume I really don't need ABS/especially DSC....
 
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Old 01-03-2017, 03:54 PM
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cruise not available is a simple vac leak

how did he test the abs module
 
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blackonblackXtype05 (01-07-2017)
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Old 01-03-2017, 04:15 PM
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Yeah, really. There aren't too many posts on here about ABS modules failing. Not saying it is not possible, but more likely something else is causing your issue. Can you post the codes you are getting? Could be something much simpler than what you might think.
 
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blackonblackXtype05 (01-07-2017)
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Old 01-04-2017, 05:39 AM
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It's not even worth wondering about a bypass. You're talking serious effort and specialist reprogramming. Just fix the fault!

Any mechanic thinking otherwise is either very stupid or very clever and probably charging a LOT per hour for knowing so much.
 
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Old 01-05-2017, 08:24 AM
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Thanks, Dennis, alfa dude, & JagV8

He didn't show me the codes or tell me. And I also didn't ask because he mentioned the ABS module is not communicating with his system. I have an Autolink AL319 code reader and the codes I get is P1646 and P1000

I have the check engine light on, ABS light, DSC fault on screen and light on, cruise not working. And before I turned sport mode off the vehicle stuttered a couple of times with a transmission fault coming on and a red exclamation mark light came on (!) and a (P) light(same light for parking break). Both lights in circles. - As I said these lights and stutter have not returned since turning sport mode off. When the ABS was bad per the mechanic the first time(original one that sold the car)the vehicle would barely move and DSC light was on. It would stutter but somewhat worse.
 
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Old 01-05-2017, 04:33 PM
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Often those would indicate a power problem, usually a low battery.

P1646 is an O2 sensor fault. P1000 means either the codes were cleared or the power ran very low (or was off).
 
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blackonblackXtype05 (01-07-2017)
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Old 01-05-2017, 04:49 PM
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Jag V8,

Again, thank you so much for your replies!

Brand new battery installed a few months ago...

I'm obviously not as knowledgable as you guys but the lights and faults seem to tell me that it is not just an o2 sensor? DSC fault/ABS light? Unless I have a bad o2 sensor on top of a faulty ABS module? I AM LOST!!

First time mechanic ran the codes they came back as intake sensor. I told him that my code reader read o2 sensor. But he said his code reader is not showing intake sensor anymore or o2 sensor and that the ABS module simply is "unable to communicate with his system."

LOST, I AM

Again, when I first took the car for a test drive a year ago before i bought it, the car stuttered along when pressing the gas and DSC fault was on(can't remember if ABS was on). Mechanic said it is the ABS module and will replace it with a refurbished one. Once he did that, the problem was fixed.

fast forward, the DSC light and fault would flicker on and off at times while accelerating. Other times it would stay on until the car was turned off and then back on again during normal use. Now my dash is lit up like a christmas tree with the ABS/DSC light and fault/check engine.

So.....that is what brings me to conclude that just maybe this refurbished ABS module took a dump again...although it doesn't stutter along....??
 
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Old 01-05-2017, 07:10 PM
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get abs dsc code read and let us no ,could be a speed sensor or reluctor ring
 
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blackonblackXtype05 (01-07-2017)
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Old 01-06-2017, 01:43 AM
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See post #8. P1646 is what it is. Same for P1111/P1000. Change your mechanic. He appears unable to look up jag codes correctly.
 

Last edited by JagV8; 01-06-2017 at 01:53 AM.
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blackonblackXtype05 (01-07-2017)
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Old 01-06-2017, 09:15 AM
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Jag V8,

Which o2 sensor? Is there more than one?
 
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Old 01-06-2017, 04:46 PM
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theres 4 that one is upstream rear of engine ,can be a bear to get of
 
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Old 01-07-2017, 03:31 AM
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I had a DSC system fault and it was caused by the steering angle sensor showing no communication with ABS module.
 
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blackonblackXtype05 (01-07-2017)
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Old 01-07-2017, 04:09 AM
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Download (free) workshop manual - has all the details, including codes.
 
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blackonblackXtype05 (01-07-2017)
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Old 01-07-2017, 09:20 AM
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BTW. My cruise control still worked while I had the cruise not available message. My cruise not available was cure by a good MAF sensor cleaning. And my P1646 was cured with a new O2 sensor installed, the easy one to get to.
 
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blackonblackXtype05 (01-07-2017)
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Old 01-07-2017, 10:11 AM
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Man, thanks everybody!!
 
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Old 01-07-2017, 10:22 AM
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Would that code (P1646) trigger all those others lights? I mentioned? Could it? I know these cars are highly electronic...with sensors galore.
 
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Old 01-09-2017, 08:34 PM
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It is the sensors exhibit, that's why it ran so good when every things work together, once one or two refused to work you have to find the rebellious one to re place, that caused a lots of head ache.
 
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blackonblackXtype05 (01-09-2017)
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Old 01-11-2017, 12:21 PM
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Went to auto zone to read the codes just to get a third reading(mine, mechanic and auto zone)

Codes,

P1646(bank 1)
 

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