P0122High Priority

Throttle/Pedal Position Sensor/Switch A Circuit Low Input

Category: PowertrainFuel and Air Metering

11 articles · 4 makes affected

What is P0122?

Throttle Position Sensor (TPS) Circuit Low Input. The TPS is reporting abnormally low voltage, indicating a short circuit or sensor failure.

Symptoms You May Notice

  • Check engine light
  • Engine stalling
  • No throttle response
  • Limp mode activated

How to Fix It

  • Replace TPS ($100-$300, intermediate)
  • Repair short in wiring ($100-$300, intermediate)

Owner Statistics

Based on 92,923 real owner discussions • 2858 confirmed solutions

Dataset (92,923 records)
$1,624
Average Repair Cost
3%
Success Rate
28%
DIY Repairs
92,923
Data Sources

About This Data

Statistics are aggregated from real owner discussions on Reddit, automotive forums, and YouTube comments. All data is anonymized and represents actual repair experiences reported by vehicle owners.

Frequently Appears With

These codes often appear together in owner reports. Check these if you see P0122.

Based on analysis of 2 owner reports where multiple codes appeared together.