Core Functions

• Input Shaft Speed Detection: Continuously monitors the rotational speed of the transmission input shaft, converting mechanical rotation into electrical signals and transmitting them to the TCM. This data helps the TCM calculate the speed ratio between the engine and transmission.
• Shift Timing Optimization: Enables the TCM to adjust shift timing (e.g., upshifting or downshifting) based on real-time input shaft speed and engine load. This ensures smooth, timely shifts, reducing transmission shock and improving driving comfort.
• Transmission Protection: Works with the TCM to detect abnormal speed differences (e.g., input shaft speed mismatch with engine speed) which may indicate issues like clutch slippage. The TCM can then trigger protective measures (e.g., limiting torque) to prevent transmission damage.

 Compatible Vehicles

This Transmission Input Speed Sensor (OE: 1850527) is tailored for Auto Parts XC60 models within the specified production years:

Notes: Transmission sensors may vary by transmission type (e.g., automatic vs. semi-automatic) even within the same model year range. For 100% fitment accuracy—confirm compatibility with your XC60’s specific transmission configuration—verify with your vehicle’s VIN (Vehicle Identification Number) or consult Auto Parts’s official service manual. This avoids mismatches caused by subtle differences in sensor mounting or signal protocols.

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