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Code P2127

Tiny
CEDDY2_
  • MEMBER
  • 2008 CHEVROLET IMPALA
  • 3.9L
  • 6 CYL
  • AUTOMATIC
  • 101 MILES
Hello im getting a code p2127 on my impala the code reads"TPS/PEDAL POSITION SENSOR/ SWITCH E CIRCUIT LOW INPUT" would be the sensor on the pedal or is it my tps sensor. Any help would great thanx
Saturday, October 4th, 2014 AT 11:13 AM

11 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Hello,

These sensors go out all the time here are diagrams to help you get the problem fixed. Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.

Cheers
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Saturday, October 4th, 2014 AT 12:40 PM
Tiny
CEDDY2_
  • MEMBER
  • 21 POSTS
Morning, no I do not have a scan tool that can read live data, mine just gives the codes. And yes that was the only code that come up. After doing research I have found this could be a number of issues. From the gas pedal to throttle body and all in between lol, that's why i'm asking the pros. I cant wait to fix this issue

Thanx
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Sunday, October 5th, 2014 AT 8:11 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
To double check if the sensor is bad the first thing to do is going to do is see what the scan tool reads for the pedal position sensor.
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Sunday, October 5th, 2014 AT 8:56 AM
Tiny
CEDDY2_
  • MEMBER
  • 21 POSTS
Gas pedal sensor change it out, all problems as fixed, cost me $89.00 for a new one I love this site.
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Sunday, October 5th, 2014 AT 2:57 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Nice work, we are here to help, please use 2CarPros anytime.

Cheers
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Sunday, October 5th, 2014 AT 3:41 PM
Tiny
ANTHONY62268
  • MEMBER
  • 1 POST
  • 2008 CHEVROLET IMPALA
  • 96,000 MILES
I plugged in a scanner to my car and the code P2138-00 vame up and it read acceleration pedal position sensor 1-2 correlation. What is this in easy terms. Is my car in danger of breaking down.
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Friday, October 19th, 2018 AT 4:54 PM (Merged)
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Not likely probably a voltage glitch erase and see if it comes back. There was a TSB on this i'll try and find it.
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Friday, October 19th, 2018 AT 4:54 PM (Merged)
Tiny
SHAKIRA
  • MEMBER
  • 1 POST
  • 2008 CHEVROLET IMPALA
  • 115,000 MILES
My car keeps saying engine power reduced and service traction control. When these lights come on I have to immediately pull over and turn my car off if I try to drive it it jerks and I can't go above 20 mph. I put it on the machine and it says Throttle /Pedal /Position Sensor /Switch D Circuit low. Does this mean I need a new throttle sensor?
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Friday, October 19th, 2018 AT 4:54 PM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
It could be a shorted wire or gas pedal have a pro check this as it may be an ecm which if it is he will have to program anyhow
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Friday, October 19th, 2018 AT 4:54 PM (Merged)
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
TPS attaches to throttle body easy to remove and replace
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Friday, October 19th, 2018 AT 4:54 PM (Merged)
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
The accelerator pedal position sensor is above the accelerator pedal itself, did replacing the sensor not help? What issue are you having with it anyway?
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Friday, October 19th, 2018 AT 4:54 PM (Merged)

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