Answers
Oct 06, 2023 - 08:14 PM
Hi there,
The trouble code P2135 is most likely an accelerator pedal position assembly failure. Click this link for more details from our CarParts blog resource online. The 2nd code P0121 points to a faulty throttle position sensor. Click this link for more details about the code. It is possible that the throttle position sensor included with the new throttle body is defective. Please consult with your trusted auto repair shop on how to reset/refresh the ECM/computer of your vehicle. I hope this helps!
Nov 02, 2023 - 04:38 PM
I have replaced the center stack, Throttle body, wiring harness, re-learn the throttle body, and 2 batteries. Every time I get it back from the shop, they say it's fixed. A couple weeks later the light is back on and the same codes are the P2135 and P0121. Now they say the PCM needs to be replaced. Help!!!
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