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Abs malfunction, traction control malfunction, tpms malfunction,
2016 Mazda CX-5

ABS malfunction, Traction control malfunction, TPMS Malfunction,

(2016 Mazda CX-5)
Bought a car that was crashed. Its all fixed now but I cant seem to get the lights on the dash gone. Which are ABS malfunction, Traction control malfunction, TPMS Malfunction. Code U0415
Went to dealer and they said It has a malfunction to the EPB system. I first I thought Wheel speed sensor since they were a little rusty but theres no code saying that its the wheel speed sensor. And they seems to function when driving(Scanner tool checked)
The parking brake still engages on and off.
Did not reprogram the ABS module yet.
Did replace both rear calipers but the lights are still on
What seems to make the problem better or worse? Nothing
How long have you had this problem? All the Time
Tags: mazda, cx 5
1 answer & 2 comments
Popular Answer
on September 05, 2019

U0415 Possible Causes
Faulty Anti-Lock Brake System (ABS) Control Module
Anti-Lock Brake System (ABS) Control Module harness is open or shorted
Anti-Lock Brake System (ABS) Control Module circuit poor electrical connection

Traction Control is terminated by default anytime there is an ABS malfunction - thus that light is on.

TPMS is a separate system..

There is no protocol for collision repair other than old fashion *hands-on* testing / diagnosis - using the practical experience and knowledge gained from many years of automobile troubleshooting / repair.

Good luck
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on September 05, 2019

May be useful:

https://www.autogenius.info/mazda-cx-5-2016-fuse-box-diagram-2/

Although one would assume *ALL FUSES* have been tested using a 12 volt test light - that is *ALL FUSES* ..... Especially since the vehicle was involved in a collision which greatly increases the possibility of pinched / damaged wiring AND failed fuses!
on September 05, 2019

Additional side note - ALL wheel speed sensors must read the ‘same mph constantly’ while vehicle is being test driven.

( In most instances - ‘realistically’ ALL we can do here online is provide ‘best guess’ scenarios )
General Diagnosis
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on September 05, 2019

U0415 Possible Causes
Faulty Anti-Lock Brake System (ABS) Control Module
Anti-Lock Brake System (ABS) Control Module harness is open or shorted
Anti-Lock Brake System (ABS) Control Module circuit poor electrical connection

Traction Control is terminated by default anytime there is an ABS malfunction - thus that light is on.

TPMS is a separate system..

There is no protocol for collision repair other than old fashion *hands-on* testing / diagnosis - using the practical experience and knowledge gained from many years of automobile troubleshooting / repair.

Good luck
Sign in to reply
on September 05, 2019

May be useful:

https://www.autogenius.info/mazda-cx-5-2016-fuse-box-diagram-2/

Although one would assume *ALL FUSES* have been tested using a 12 volt test light - that is *ALL FUSES* ..... Especially since the vehicle was involved in a collision which greatly increases the possibility of pinched / damaged wiring AND failed fuses!
on September 05, 2019

Additional side note - ALL wheel speed sensors must read the ‘same mph constantly’ while vehicle is being test driven.

( In most instances - ‘realistically’ ALL we can do here online is provide ‘best guess’ scenarios )

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