P1502
Vehicle Speed Sensor Intermittent Malfunction
Findings, check these first
- Intermittent speed sensor dropout
- Loose sensor connector
- Chafed harness opening with vibration
- Cracked exciter ring
- Corroded signal splice
Standard procedure
- Graph speed signal on a bumpy road test
- Wiggle-test the harness
- Inspect the exciter ring closely
- Check splices for corrosion
- Replace the sensor if dropouts persist
Code lookup
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Sources and review
Review: qualified. Read the source limits below.
- OBDII.pro: P1502 Ford definition
live reference page (obdii.pro)
Supports: Ford-family meaning for P1502: Vehicle Speed Sensor Intermittent Malfunction
Fetched directly. obdii.pro is a publisher independent of the engine-codes family.
Last updated 2026-09-06.
Report a correction for P1502. Include your vehicle, the issue and a source if you have one.