P2135 GMC - sierra throttle accelerator control

Question

The codes are listed as P2135, C0242, P0300. My 2010 GMC Sierra SL has random misfire, throttle accelerator control, and throttle/pedal position sensor as possible causes. What should I do?

Answer 1

P0300 Random misfire

C0242 TCS malfunction

P2135 Throttle position sensor 1-2 correlation

The TCS is the traction control , it is disabled, whenever the ECM detects a fault for safety reason the traction and ABS system is diabled, The random misfire P0300 is the cause for the P2135 and C0242. The cause for the random misfire can be from faulty sparkplug wire and sparkplugs, Fix the cause of the random misfire. clear the code and you should be good to go.