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Author Topic: 2007 LC9 - SES Accelerator Pedal Position Sensor Fault  (Read 132 times)

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wrd1972

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2007 LC9 - SES Accelerator Pedal Position Sensor Fault
« on: February 11, 2019, 16:36:14 PM »

So my 07 LTZ LC9 Avy has been posting "SES P1125 Accelerator Pedal Position Sensor Fault". When it happens, the motor goes into limp mode, and wont recover unless it sits for about 5 minutes. Then it can drive fine for some tim. But...its starting to become more frequent.

I also have this crazy tendency to tap on the gas pedal, and this can sometimes, induce the issue. Not sure why I do that, just a bad habit I guess. But I would think that the pedal should be able to withstand that. But it could be worn after 200K miles or so.

So does the pedal seem worn out. And needing to only be replaced? Or might there be another part worth checking first?

Thanks :)
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EXT4ME

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Re: 2007 LC9 - SES Accelerator Pedal Position Sensor Fault
« Reply #1 on: February 11, 2019, 16:39:06 PM »

Sounds like it's new pedal time.
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ca2kjet

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Re: 2007 LC9 - SES Accelerator Pedal Position Sensor Fault
« Reply #2 on: February 22, 2019, 15:40:02 PM »

I had the same issue. Replaced the pedal initially. Nope, didn't fix it. What ultimately did fix it was replacing the throttle body sensor. It's more than likely starting to fail and causing a position mismatch with the pedal sensor.
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Black on Black - 2007 Avalanche 4x4 LT3 Z71
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