Question about Mazda Cars & Trucks
Dealer says diagnostic code c0020 shows abs pump motor is shorted. Mazda 3 hatchback only 20,000 miles, driven little, 3 years old. unusual he says but part is $1000.
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Posted on Jan 02, 2017
No, absolutely not, although the EBCM might possibly be the problem, it is a costly item and 95% of the time is replaced for nothing. Make sure to get the system diagnosed properly, if he can't get a reading from the diagnostic machine, check the abs (EBS) fuse(s), it (they) might be burnt. Then check for fluid level and fluid leaks in the brake system. If these are OK, get the wiring checked to the EBCM for powers, grounds, and data (diagnostics).
Posted on Aug 27, 2008
Experienced the same thing with my 99 Voyager, ABS light would then come on too. I expect this will do it for you. If you check my profile you'll se I have helped several others with this same isse
There has been issues with the solder joints on the PIN connection to the gauge cluster. The issue being that over time thru vibration and such one of these solder joints will fail (happened on or 1999) you can repair this though. You will have to remove all of the trim from around the driver's side dash board, this will include the trim towards the center of the dash. Once these pieces are remove you'll need to remove the gauge panel (I believe (4) allen head screws) carefully bring the panel and release the wire clip from it. Looking at the back of the panel, where the plug was, carefully with plenty of light look for one of the pins (or more) to have a failed solder joint. It will be very faint however the failed joint will be a fine dark line around the pin. To correct use a small soldering iron and reheat this solder until it wants to flow, let it cool and reassemble. Take your time and this is an easy fix!
I hope this may have helped,
Posted on Apr 12, 2010
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