2012 AUDI A6

3.0L Supercharged V6FWDAUTOMATICgassupercharged
8 active safety recalls on this vehicle — view recalls
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P2128critical severityPowertrain

Throttle/Pedal Position Sensor/Switch E Circuit High

on 2012 Audi A6 3.0L Supercharged V6 · FWD

What this code means

High voltage from accelerator pedal position sensor E.

Symptoms

  • Limp mode
  • Check engine light
  • Possible unintended throttle input

Common causes

  • Open ground
  • Short to voltage in harness
  • Failed sensor

Diagnostic steps

  1. Measure sensor E voltage
  2. Check ground circuit
  3. Inspect wiring

Repair notes

Replace accelerator pedal assembly or repair wiring.

Other Powertrain codes on this vehicle

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