Source-backed diagnostic reference

P1221 EV diagnostic code

Pedal Position Sensor 2 Range Performance Problem

Reference status: This page preserves source-backed code definitions for discovery. Manufacturer/model applicability, repair steps and safety conclusions are not treated as verified unless a manufacturer-specific verified report is available.

Reference definitions

  • BMW: Pedal Position Sensor 2 Range Performance Problem Source
  • BUICK: Throttle Position (TP) Sensor 1- 2 Correlation Source
  • CADILLAC: Throttle Position (TP) Sensor 1-2 Correlation Source
  • CHEVY: Throttle Position (TP) Sensor 1-2 Correlation Source
  • CHRYSLER: Throttle Position (TP) Sensor 1-2 Correlation Source
  • FORD: Traction Control System Malfunction Source
  • GM: Throttle Position (TP) Sensor 1 2 Correlation Source
  • GMC: Throttle Position (TP) Sensor 1 2 Correlation Source
  • JAGUAR: Pedal Demand Sensor B Circuit Range Performance Source
  • LINCOLN: Traction Control System Malfunction Source
  • MAZDA: Traction Control System Source
  • MERCEDES: CAN Communication ETC Or ETS Interrupted Source
  • MERCURY: Traction Control System Malfunction Source
  • OLDSMOBILE: Throttle Position TP Sensor 1-2 Correlation Source
  • OTHER: Traction Control System Malfunction Source
  • SATURN: Throttle Position TP Sensor 1-2 Correlation Source

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