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2017 JEEP COMPASS
2.0L I4 Turbo•AWD•AUTOMATIC•gas•turbo
4 active safety recalls on this vehicle — view recalls
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Repairs0Labor997Torque6841Fluid17DTC2340Battery2Maintenance0Recalls4
P2123critical severityPowertrain

Throttle/Pedal Position Sensor/Switch D Circuit High

on 2017 Jeep Compass 2.0L I4 Turbo · AWD

What this code means

High voltage from accelerator pedal position sensor D.

Symptoms

  • Limp mode
  • Unintended acceleration
  • Check engine light

Common causes

  • Open ground circuit
  • Short to voltage
  • Failed sensor

Diagnostic steps

  1. Measure voltage at APP sensor D
  2. Check for opens in ground
  3. Inspect wiring

Repair notes

Replace pedal assembly or repair wiring.

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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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