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Eric
Eric, Automotive Repair Shop Manager
Category: Jaguar
Satisfied Customers: 29979
Experience:  Automotive Repair Shop Manager, Technician/JA Mentor
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1996 Jaguar XJR I have had a problem with two warning

Customer Question

1996 Jaguar XJR I have had a problem with two warning lights; the trac and the anti brake lock. They will go on and off intermitantly, sometimes at the same time. This morning they were both on.
Submitted: 1 year ago.
Category: Jaguar
Expert:  Eric replied 1 year ago.
HI,
Have you had the abs control module stored for fault codes yet?
Also, any symptoms such as kick back in the brake pedal at very low speed braking, growling or grinding noise when turning, or humming/roaring sound from a wheel when accelerating?
Customer: replied 1 year ago.
No to codes and and no to noises
Expert:  Eric replied 1 year ago.
HI,
Ok, not really surprised that there are not fault codes, but usually there are some symptoms such as some kickback in the brake pedal at very low speed braking(15 mph or less).
With no symptoms at all this makes it a bit tougher.
Any way you can get a hold of a scan tool with live data feed to watch the wheel speed sensor signals on a test drive?
Although it wont tell us the exact problem, it will at least narrow it down to which wheel to check
Customer: replied 1 year ago.
I have not had it checked for codes
Expert:  Eric replied 1 year ago.
HI,
Oh, ok. Sorry, misunderstood on my part. If we can do that, it would help, but I would not be surprised if there are not any stored since this is intermittent.
A test drive with a scan tool hooked up to read each wheel speed sensor may tell us more.
The usual causes are either wheel speed sensor faulty, a chip or crack in the wheel speed sensor reluctor ring the sensor reads, or a partial break or crimping in the wiring going to a wheel speed sensor
Customer: replied 1 year ago.
I will have to get back to you...
Expert:  Eric replied 1 year ago.
HI,
Ok, sounds good

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