Corolla 2009

Asked by Mar 21, 2017 at 12:36 PM about the 2009 Toyota Corolla LE

Question type: General

My Corolla is having problems and the problems are abs light, brake light, check engine light on (Code: P0500, which is speed sensor and I already replace the speed sensor, power steering light on and the voltage goes  to 19v. I already repair my alternator and my car works all day and then goes back crazy again. can anyone help me with this? thank you.

5 Answers

73,045

Once you fix a problem with a related code, then it needs to be cleared with a scanner. The voltage problem is usually the voltage regulator. May have to check that new alternator. And then you need a scanner capable of reading ABS codes to know whats going on there.

I have replace the speed sensor 3 times and after i erase the code, it comes back on, just before the code comes on, the voltage hits 19v and then the abs, brake, check engine and power steering comes on.

73,045

Probably need to take it into a shop for repair.

Alternator?

73,045

The car. The computer controls the charging system. Something not write. If you want, have the alternator tested, there is a voltage regulator mounted on the alternator. It should only be putting out 14.7 DCV.

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