2014年3月23日星期日

Troubleshoot the problem of Skoda ASR, ABS and tire pressure lights on



Today I am willing to share with you a repair case on troubleshooting the problem of Skoda ASR, ABS and tire pressure lights on.
My client Bill told me that he was just driving his car Skoda Octavia way home, but the warning lights on dashboard sound. ASR, ABS, and tire pressure monitoring lights on. He stopped the car at the moment, which is an excellent react to car drivers to ensure the security.
After 2 minutes, Bill restart up the engine and found only ABS light on and slow down his driving speed and found ABS lights off and arrived home without extra lights or alarming. Thus, he thought it might happen occasionally and ignored it. (This is a point that misses by many people, in which will affect our car driving safety).
In the next three days, warning lights on suddenly, so he sent his car to me.

My troubleshooting steps:
1. I had an observation on it and found all three lights on at the same when car has a big turn.
2. Remove every car wheel to have a check one by one and found there is surface wear in induction coil in one car tyre, leading to combine several lines together and respectively separate them and fixed them well.
3. Clear trouble codes with obd2 code scanner (here I am using professional coder ds708, as to DIYers, I suppose you use iobd2diagnostic tool for android or ios system, more conveniently and efficiently); three lights off and troubleshoot!
In conclusion: Skoda tyre pressure monitoring system compares tire pressure via ABS control module. If there is something wrong with ABS, tire pressure monitoring system is abnormal; and ASR and ABS are closely link, so three lights on at the same time.
More reasons lead to these faults may be mainly dirty wheel speed sensor (filled with rusted), or broken sensor, worn sensor harness and so on.

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