P0122 - Throttle/Pedal Position Sensor/Switch A Circuit Low Input

TPS/APP signal low.

Code Overview

TPS/APP signal low.

Common Causes

• Short to ground
• Sensor failure
• Wiring issue

Diagnostic Steps

1. Check for 5V reference
2. Inspect wiring for rub-through
3. Verify sensor output

Likely Repairs & Cost Guides

Use test results to confirm the fault before pricing the repair.

Related OBD Codes

Browse the closest code-family pages when the same fault pattern often shows up nearby.

Next Steps

Move from the code to a diagnosis path, then into repair pricing once the fault is confirmed.