P1121 Accelerator Pedal Position Sensor Range/Performance Problem
What does P1121 mean on a Toyota?
P1121 — Accelerator Pedal Position Sensor Range/Performance Problem. This Toyota-enhanced code applies to Camry, Corolla, RAV4, Highlander.
Common causes of P1121
- Worn pedal sensor with dead spots
- Binding pedal or floor mat interference
- Sensor drift out of calibrated range
- Corroded connector
- Failing pedal assembly
How to fix P1121
- Check for floor mat interference first
- Sweep-test the pedal and watch for jumps
- Compare redundant channels where fitted
- Inspect the connector
- Replace the pedal assembly if out of range