725.0 Mercedes 9G-Tronic

This is a kit of 2 pieces. Adaptations are required.

Key Specifications:

• Function: Continuously measures clutch actuator position and associated hydraulic pressure within the transmission mechatronic unit, providing real-time feedback to the transmission control module (TCM) for precise clutch modulation and gear selection.
• Transmission Applications: Designed for integration with Volkswagen Group dual-clutch transmissions, including 0DE, DQ380, DQ381, and DQ500 gearbox variants.
• Manufacturing / Identification: Typically manufactured by LuK and commonly referenced under part number SMP132-532.

Failure Characteristics and Diagnostic Indicators:

Failure of this sensor disrupts closed-loop clutch control and commonly forces the TCM to place the transmission into Fail-Safe (Emergency / Limp) Mode. Associated diagnostic trouble codes include:

• P173500: Odd gear range clutch sensor
• P173600: Even gear range clutch sensor

Operational Symptoms:

• Harsh, erratic, or delayed gear shifts due to loss of accurate clutch feedback
• Delayed or inhibited gear engagement
• Missing or incorrect gear position display on the instrument cluster