P2138 Chevrolet -

Question

2007 Chevy monte carlo 3.5L Flex fuel 6Cyl.
Code P2138
I replaced the MAF and the Vapor canister vent connector sol connector.
now getting P2138 and c0242
since Ive replaced these is there something else i need to do ? or justkeep going down a list and replacing things?

Answer 1

Hi there,

P2138 indicates an issue with the accelerator pedal position sensor. Here is a list of possible causes.

P2138 CHEVROLET - Accelerator Pedal Position Sensor 1-2 Correlation

Read more: https://www.autocodes.com/p2138_chevrolet.html

C0242 indicates an issue with the electronic brake control module. Here is a list of possible causes.

C0242 CHEVROLET - Engine Control Module Indicated Traction Control Malfunction

Read more: https://www.autocodes.com/c0242_chevrolet.html