Output Shaft Speed - Wheel Speed Correlation

Check these first

• A mismatch between the output shaft speed and wheel speed signals
• A failed output shaft speed sensor
• A failed wheel speed sensor
• A transmission internal fault skewing the output speed
• Incorrect tire size affecting wheel speed

What to do next

1. Read the output shaft speed and wheel speed on a scan tool
2. Compare the two signals through a test drive
3. Check the output shaft speed sensor and connector
4. Check each wheel speed sensor for a signal
5. Verify the tire size matches the factory setting
6. Clear the code and retest

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