Engine Code P2138

Tiny
JEFFRUSH2004
  • MEMBER
  • 2008 CADILLAC SRX
  • V8
  • AWD
  • AUTOMATIC
  • 141,000 MILES
Hello, I reset the check engine light, first its very humid here those days, I got a engine power reduce, I ask to onstar for a diagnose they told me the code p2138 throttle position. 2 weeks ago they clean my throttle body, is it a connector I need to clean, if yes where I can find it?
Sunday, July 24th, 2011 AT 9:27 PM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
It is unlikely because this code is actually for the accelerator pedal position sensor which is on the pedal and not on the throttle body. So it would not be effected by the cleaning of the throttle body.

I attached the testing that you will need to run through in order to figure out what is needed.

Let's run through this testing and see what we find.

Here is a guide that will help with the testing:

https://www.2carpros.com/articles/how-to-check-wiring
Was this
answer
helpful?
Yes
No
Sunday, November 29th, 2020 AT 8:25 AM

Please login or register to post a reply.

Sponsored links