P1502 – Ford DTC

Ford DTC P1502 – Invalid or Missing Vehicle Speed Message or Brake Data

DTC P1502 meaning on Ford

DTC P1502 on a Ford vehicle indicates an Invalid or Missing Vehicle Speed Message or Brake Data. This diagnostic trouble code is related to issues with the vehicle speed signal or brake data communication within the vehicle’s systems.

Ford DTC P1502 symptoms

Symptoms of DTC P1502 on a Ford may include:

• Malfunction indicator lamp (MIL) or check engine light illuminated on the dashboard
• Problems with the vehicle speedometer accuracy
• Issues with the vehicle’s braking system

Ford DTC P1502 causes

Common causes of DTC P1502 on a Ford vehicle include:

• Faulty vehicle speed sensor
• Wiring or connection issues in the vehicle speed sensor circuit
• Communication errors within the vehicle’s network

Ford DTC P1502 seriousness

The seriousness of DTC P1502 on a Ford depends on the underlying cause. Ignoring this DTC can lead to inaccurate speed readings, potential brake system issues, and overall safety concerns. It is recommended to address this code promptly.

How to diagnose DTC P1502 on Ford

To diagnose DTC P1502 on a Ford, follow these steps:

1. Use a diagnostic scanner to retrieve the trouble codes stored in the vehicle’s computer.
2. Inspect the vehicle speed sensor and its wiring for any visible damage or corrosion.
3. Check the brake system components for proper operation and communication.
4. Perform a thorough inspection of the vehicle’s network for any communication faults.

How to fix DTC P1502 on Ford

To fix DTC P1502 on a Ford, consider the following:

1. Replace the faulty vehicle speed sensor if necessary.
2. Repair any damaged wiring or connections in the vehicle speed sensor circuit.
3. Address any communication errors within the vehicle’s network.
4. Clear the trouble codes using a diagnostic scanner after the repairs are completed.

How to erase DTC P1502 on Ford

To erase DTC P1502 on a Ford:

1. Connect a diagnostic scanner to the vehicle’s OBD-II port.
2. Access the scanner’s menu to clear the trouble codes stored in the vehicle’s computer.
3. Follow the on-screen prompts to erase the DTC P1502 code.
4. Verify that the code has been successfully cleared by rescanning the vehicle.

Recommended tools for Ford diagnostics

Explore our expert picks: The Best OBD2 Scanners for 2025

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.