P2121 Dodge -2007 2500 hd

Question

P2121 with check engine light on 2007 dodge ram 2500 hd 5.9L cummins
Just replaced the accelerator pedal assembly light is still on

Answer 1

Hi there,

This code points towards poor electrical connection of the pedal assembly. Here is some more info for you.

P2121 DODGE - Throttle/Pedal Position Sensor/Switch 'D' Circuit Range/Performance

 

 

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