Q: ABS lights on after rear ended accident 2009 Toyota Prius

asked by on January 12, 2017

My car (Toyota Prius 2009) was rear ended by another car. The insurance company repaired rear bumper free of charge. 2 days later, ABS lights were on. The dealer diagnosed fault codes- accumulator pressure sensor and brake system malfunction. The insurance team has rejected the claim stating that this is not related to the claim. My car was serviced 2 days prior to the accident and no fault was evident. May I know if rear ended accident could cause this fault. Thanks

My car has 60000 miles.
My car has an automatic transmission.

Hi there - it is unlikely that the accident caused the ABS error in question. There are, however, issues with over-sensitive monitoring of brake system "false positives" by the ABS software documented in Toyota Technical Service Bulletins (342345, 342346, 342347). I would discuss this with your Toyota dealer to determine if your present ABS error code is the result of this sensitivity. Clearing these codes, and a software update is the "repair" if so.

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