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What is the reason for the abnormal output pulley shaft pressure control in P2798?

1 Answers

Lynda

07/30/25 8:15am

The transmission control unit detects abnormal control pressure inside the output pulley through the pressure sensor. Here is the relevant information: 1. Fault code: Automotive fault codes are error codes generated by the vehicle's ECU when a malfunction occurs. Most fault codes are caused by sensor failures or poor sensor performance, but some mechanical faults cannot be detected by the ECU. When a car engine malfunctions, the diagnostic tool will display fault codes, allowing mechanics to accurately identify the faulty component and proceed with repairs. 2. Transmission: The transmission mainly refers to the vehicle's gearbox, which is divided into manual and automatic types. Manual transmissions primarily consist of gears and shafts, achieving speed and torque variation through different gear combinations. Automatic transmissions (AT) are composed of a torque converter, planetary gears, a hydraulic torque variation system, and a hydraulic control system, achieving speed and torque changes through hydraulic power transmission and gear combinations.

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