OBD Guide

P0510

Closed Throttle Position Switch

P0510 is an OBD-II diagnostic trouble code meaning: Closed Throttle Position Switch. Common causes: throttle position sensor malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Unstable idle
  • Problems starting the engine
  • Increased fuel consumption
  • Check Engine Light Illuminates

Causes

  • Throttle Position Sensor Malfunction
  • Open or short circuit in wiring harness
  • Poor contact in sensor connectors
  • ECU malfunction

How to Fix

  1. Check the condition of the sensor wiring harness and connectors
  2. Test the throttle position sensor
  3. Replace sensor if necessary
  4. Check and, if necessary, replace the computer

Related codes

Error P0510 by Vehicle Brand

FAQ

What does the P0510 code mean?

P0510 is an OBD-II diagnostic trouble code that indicates: Closed Throttle Position Switch

What causes a P0510 error code?

The most common causes of P0510 include: Throttle Position Sensor Malfunction; Open or short circuit in wiring harness; Poor contact in sensor connectors; ECU malfunction.

How do I fix a P0510 diagnostic trouble code?

To fix P0510: Check the condition of the sensor wiring harness and connectors. Test the throttle position sensor. Replace sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0510?

Limited driving only, diagnose soon

How much does it cost to fix P0510?

The estimated repair cost for P0510 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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