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10-05-2012
I have an 06 grand prix that is showing these codes: P1125, P2125 and P2138 and has the reduced engine power light as well as the engine light on. We have replaced the accelerator pedal however, it's still having the same problem and showing the same codes. Any ideas to try?
10-05-2012
id toss a tps sensor on it. it may need to be re calibrated tho.
P1125 - Google Search
P2125 - Google Search
P2138 - Google Search
10-05-2012
What is the tps sensor? And how do we recalibrate it?
10-05-2012
tps= throttle position sensor. its on your throttle body.
OBD2 - OBDII Code P1125 - Throttle position sensor intermittent | Engine-Codes.com looks like you need a scanner to calibrate it.
10-05-2012
OK, Thanks so much, I'll let him know. I'll keep you posted!
10-05-2012
We were actually told by a dealer that the car didn't have a tps....
10-05-2012
It's built into the throttle body itself. Drive by wire.
Sent from my Galaxy SIII on Tapatalk 2
10-10-2012
OK. We have replaced the throttle body, the entire thing. Also the accelerator pedal and the same codes are still reading and the problem still exists. Any other ideas?
10-10-2012
ill ask you have a cone filter? either way i would look or shake the wireing harness by pcm, i got these codes before randomly and was from my filter saggin on the wire. i think they were a yellow and green wire
10-10-2012
I know they went through all the wiring last night looking for a frayed or broken one, and found nothing, and it still won't clear the codes. Today, we are taking it to a dealership to have it diagnosed there........hopefully it's something easy for them to find!
10-17-2012
RMACKEY,
Please keep us posted of the results of your dealer visit. Feel free to contact me privately if you have additional questions.
Louis
GM Customer Service
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