EV Diagnostics
Source-backed diagnostic reference

P1121 EV diagnostic code

Throttle Position Lower Than Expected

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

  • ACURA: Throttle Position Lower Than Expected Source
  • BMW: Pedal Position Sensor 1 Range Performance Problem Source
  • BUICK: TP Sensor Circuit Intermittent High Voltage Source
  • CADILLAC: TP Sensor Circuit Intermittent High Voltage Source
  • CHEVY: TP Sensor Circuit Intermittent High Voltage Source
  • CHRYSLER: TP Sensor Circuit Intermittent High Voltage Source
  • FORD: Throttle Position Sensor Inconsistent with Mass Air Flow Sensor Source
  • GM: TP Sensor Circuit Intermittent High Voltage Source
  • GMC: TP Sensor Circuit Intermittent High Voltage Source
  • HONDA: Throttle Position Lower Than Expected Source
  • INFINITI: Throttle Position Lower Than Expected Source
  • JAGUAR: Pedal Position Sensor A Circuit Range Performance Source
  • LEXUS: Accelerator Pedal Position Sensor Range Performance Problem Source
  • LINCOLN: Throttle Position Sensor Inconsistent with Mass Air Flow Sensor Source
  • MAZDA: Throttle Position Sensor Signal Not Consistent With Mass Air Flow Signal Source
  • MERCURY: Throttle Position Sensor Inconsistent with Mass Air Flow Sensor Source
  • OLDSMOBILE: TP Sensor Circuit Intermittent High Voltage Source
  • OTHER: Throttle Position (TP) Sensor Circuit Intermittent High Voltage Source
  • SATURN: TP Sensor Circuit Intermittent High Voltage Source
  • SUBARU: Neutral Position Switch Circuit Low Input AT Vehicles Source
  • TOYOTA: Accelerator Pedal Position Sensor Range Performance Problem Source
  • VOLKSWAGEN: Oxygen Sensor Heater Circuit Bank 2 Sensor 2 Short To Ground Source

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