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TPS/Pedal Position Out Of Range During Self-Test

TPS/Pedal Position Out Of Range During Self-Test — Throttle position sensor issue

Bosch · OBD1300 Scan Tool

What does TPS/Pedal Position Out Of Range During Self-Test mean?

This message indicates that the throttle position sensor (TPS) or the accelerator pedal position is reporting a value outside the expected range during a self-test. This can affect engine performance and idle control.

Common Causes

  • Faulty throttle position sensor
  • Problem with the accelerator pedal sensor or wiring
  • Damaged wiring harness to the TPS or pedal sensor

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the engine is running and follow all on-screen prompts during the self-test.

  2. 2

    Do not touch the throttle pedal during the self-test if instructed.

  3. 3

    Check the wiring and connectors for the throttle position sensor and accelerator pedal.

  4. 4

    If the problem continues, the throttle position sensor or accelerator pedal assembly may need replacement.

Browse all codes in this manual (20)
Verified technical data. Last updated: April 2026

Related Faults

Code 11 or 111Code 11 or 111 — No faults detected during KOER testCode 12Code 12 display — No RPM reference pulse detectedCodes remaining:0Codes remaining: 0 confirmation
Source: Bosch OBD1300 Scan Tool
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