TorqueMech Beta
TorqueMech OBD Code Guide

P0123 - Throttle/Pedal Position Sensor/Switch A Circuit High Input

TPS/APP signal high.

Code first. Confirm symptoms and checks before pricing parts.

Read code pattern Check likely system Estimate after confirmation

Code Overview

TPS/APP signal high.

Common Causes

  • Open circuit
  • Short to voltage
  • Sensor failure

Diagnostic Steps

  1. Inspect connector and wiring
  2. Verify sensor output and reference

Likely Repairs & Cost Guides

Confirm the repair path before pricing parts.

Continue Estimate

Next Steps

Move from code to checks, then estimate.