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Home >> Jeep >> 2019 >> Grand Cherokee Laredo, AWD, Automatic T/Case Control >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> 8HP50/850RE Automatic Transmission (Service Information) >> Valve Body >> Description

Valve Body: Description

CAUTION:

The Transmission Control Module (TCM), or Transmission Control Module Assembly (TCMA) is extremely sensitive to Electrostatic Discharge (ESD). Always use a ground strap and follow the ESD guidelines in ELECTROSTATIC DISCHARGE (ESD) SENSITIVE DEVICES. Failure to follow these instructions may result in damage to the TCM/TCMA.

The valve body includes the TCM, all solenoids and sensors, and can be referred to as the TCMA. The TCM is attached to the valve body between the transmission case and the valve body. If any component of the valve body including the TCM  sensors or solenoids need replaced, the complete TCMA (valve body) must be replaced. For replacement of the TCMA (valve body). Refer to VALVE BODY, REMOVAL .

GC0183734Courtesy of CHRYSLER GROUP, LLC
A - Parking lock electromagnet MV2
B - Automatic Transmission Fluid (ATF) pump intake connector
C - Outlet connectors to the ATF pump
D - Parking lock slider
E - Automatic transmission control module TCM
F - Transmission Control Module (TCM)
G - Vehicle wire harness connector
H - Hydraulic module