DTC P2122: Throttle/Pedal Position Sensor/Switch D Circuit Low

2012 Volkswagen Beetle Base, 2.5L Eng VIN P, Standard TransSECTION DTC P2122: Throttle/Pedal Position Sensor/Switch D Circuit Low
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2011 Mercury Milan, 2011 Mercury Mariner, 2011 Mercury Grand Marquis, 2011 Lincoln Town Car, and 2011 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.
P2122 - THROTTLE/PEDAL POSITION SENSOR/SWITCH D CIRCUIT LOW

Description:  The accelerator pedal position (APP) sensor 1 is out of self-test range low.
Possible Causes: 
  • APP sensor harness open if equipped with a 2-track APP sensor
  • APP sensor harness short to ground
  • Damaged APP sensor
Diagnostic Aids:  An APP1 or APP_D sensor PID reading may indicate a concern.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST DK .
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.