Battery Drain - ABS Module Ticking
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Feral Engineer
Joined: Jan 2007
Posts: 496
From: Detroit Area
Battery Drain - ABS Module Ticking
I posted this at Escape Central too, hoping to double my chances of an answer.
My battery is draining while parked and I find it has a steady 0.6 amp draw. While under the hood, I noticed that even with the key removed, the ABS module is making a tic -toc noise with an accompanying pulse you can feel on the module surface. So, I suspect this is causing the drain.
Any ideas of what is wrong?
My battery is draining while parked and I find it has a steady 0.6 amp draw. While under the hood, I noticed that even with the key removed, the ABS module is making a tic -toc noise with an accompanying pulse you can feel on the module surface. So, I suspect this is causing the drain.
Any ideas of what is wrong?
Ridiculously Active Enthusiast
Joined: Mar 2006
Posts: 942
From: Ventura, CA
Re: Battery Drain - ABS Module Ticking
Just a longshot, but I'd try pulling the underhood relays one by one and see if the ABS noise stops. Iirc, there are six identical relays in a black box. Maybe one of them has failed closed. Gary G recommended carrying a spare relay for troubleshooting.
Thread Starter
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Feral Engineer
Joined: Jan 2007
Posts: 496
From: Detroit Area
Re: Battery Drain - ABS Module Ticking
Thanks - did that (and carry extra relays). I did find that if I connect the battery directly (no ammeter) there is no ticking, so maybe I introduced an anomaly. I'll try pulling fuses one by one.
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