P0510 - Closed Throttle Position Switch Malfunction

The ECM detected a fault in the closed-throttle position switch signal.

Code Overview

The ECM detected a fault in the closed-throttle position switch signal.

Common Causes

• Throttle switch fault
• Throttle body adjustment issue
• Damaged wiring or connector

Diagnostic Steps

1. Inspect throttle switch data on the scan tool
2. Check throttle body for sticking or misadjustment
3. Inspect wiring and connector condition

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.