Brake light switch problem

2007 CHEVROLET AVALANCHE
98,000 MILES • 5.3L • V8 • 2WD • AUTOMATIC
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DRPERGIS
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  • 1 POST
My truck recently started having reduced engine power, service stabilitrack/traction control light come on. Used a code reader and got a P2138 code for the APP sensor. I replaced the sensor and decided to replace the brake light switch also since my cruise control had not been working. Now my check engine light turned off but service stabilitrack/and traction still comes up and now also the ABS light, my truck also will not shift out of park now. Did I install the brake light switch wrong?
Jul 19, 2017 at 2:56 PM
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HMAC300
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cannot really say on brake light switch, it could be something else as well. recheck your installation then have a mechanic scan for codes when ABS light is on it automatically knocks out traction control. your scanner will not pick up these codes anyhow. See link.
https://www.2carpros.com/articles/abs-warning-light-on-easy-repair-guide
Jul 19, 2017 at 3:15 PM
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STEVE W.
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Do not be surprised if the reduced power returns as well. The P2138 code is a 50/50 code, you test out the APP sensor and the throttle body itself. Then it runs about 50/50 as to which is the actual failed item.
Jul 19, 2017 at 4:19 PM
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