P2120 – Accelerator pedal position (APP) / Throttle position (TP) sensor/ switch D – circuit malfunction

Reinier

By Reinier (Contact Me)
Last Updated 2018-01-09
Automobile Repair Shop Owner

Trouble CodeFault LocationProbable Cause
P2120 Accelerator pedal position (APP) / Throttle position (TP) sensor/ switch D - circuit malfunction / Heated oxygen sensor (H02S) 1, bank 1 - implausible signal Wiring, APP / TP sensor/switch / Wiring, short to positive, short to ground, H02S, ECM

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