Check engine & traction control lights on when it rains

Asked by Nancy Oct 27, 2018 at 12:28 PM about the 2011 Mazda CX-7 s Touring

Question type: Maintenance & Repair

Check engine & traction control lights come on when it rains. Car will only dd 10 mph. Runs fine when it dries out.

5 Answers

50

I have same make and model and mine does the exact same thing!!! Mazda dealer put in a new pcm and still does it. They told me they can’t fix it. I need help

1 people found this helpful.

anyone have a fix yet ? Also just putting it out there . Original tires ? Or have you guys changed sizes or tires ?

50

Not fixed. 5 times at dealer. Has to be a short somewhere, only happens when it rains

4 people found this helpful.
70

I just bought my 2011 CX-7 a few months ago. I've had the same issue twice now and I know the previous owner had it at least twice. The local Mazda dealer changed the throttle body and the PCM the first time it happened because it throws a code for the throttle body. Now they are telling me that it's a wiring issue and that someone that worked on the car damaged wires and so they want to replace a wiring harness ($2700) but fortunately for me they don't make them anymore. So they tried to repair the damaged wires but they tell me that it's impossible to find and repair all the damage. I paid over $600 in labour the first time it was there and it sat there for over two weeks before they decided to fix the damaged wires they could find. After three weeks I had the same issue and now it's sitting at the dealership again and Mazda Canada says they've "given me every consideration" and my case is closed. Which basically means I'm out the entire cost of my vehicle because it's not drive-able and they say they can't fix it. This issue of the check engine light coming on, the TCS light coming on and the car going into limp mode (which means you have no acceleration) seems to be a common problem that is not repaired by changing the throttle body and PCM. It wasn't raining the first time it did it to me, but it was the second time. Wondering how many of us have this issue and if it's something we should be fighting with Mazda for a recall on?

7 people found this helpful.

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