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Automatic Transmission Diagnosis - 4L60-E: Maintenance GMC Yukon Denali

Automatic Trans ~147 words

Transmission Fluid Pressure Manual Valve Position Switch

Transmission Fluid Pressure (TFP) manual valve position switch consists of 5 pressure switches and Transmission Fluid Temperature (TFT) sensor. Two pressure switches are normally closed and 3 are normally open. TFP manual valve position switch is mounted to valve body. (Схема №1)

CLEARING & RESETTING TAP VALUES

Using scan tool, clear and reset TAP values following scan tool manufacturer's instructions. Start engine and allow it to reach normal operating temperature with transmission in Park. Ensure all accessories are off. Apply brakes and shift transmission into Drive. Allow engine to idle for 2 minutes. Perform road test for 5-7 miles. Operate vehicle under normal conditions. Avoid extreme acceleration. Once road test is complete, allow engine to return to idle. Place transmission in PARK. Allow engine to idle for one minute, and then turn engine off.