Common Symptoms
- Speedometer inoperative or erratic
- Transmission shifting problems or harsh shifts
- Check engine light illuminated
- Vehicle may enter limp mode or fail to shift properly
- Cruise control inoperative
Most Likely Root Causes
- Faulty output speed sensor
- Damaged or corroded wiring harness to output speed sensor
- Poor electrical connection at sensor connector
- Internal transmission mechanical damage affecting sensor operation
- Failed transmission control module
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Component Location
The output speed sensor is typically mounted on the transmission case near the tail shaft or output shaft area.
Manufacturer Notes
Some vehicles may require transmission control module reprogramming after output speed sensor replacement or may have revised sensor designs available.
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