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Home >> Mercury >> 2010 >> Milan Base, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Automatic Transaxle - AISIN Aw21) >> Description And Operation >> Transaxle Electronic Control System >> Transaxle Shift Solenoids SSA, SSB

Transaxle Shift Solenoids SSA, SSB

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Fig 1: Identifying Transaxle 3-Way Shift Solenoids (SSA, SSB)
G06263882Courtesy of FORD MOTOR CO.
ITEM DESCRIPTION

Item Description
1 Shift Solenoid A (SSA)
2 Shift Solenoid B (SSB)

The transaxle Shift Solenoid A (SSA) is installed on the middle valve body. The transaxle solenoid assembly Shift Solenoid B (SSB) is installed on the front valve body. The solenoids turn ON and OFF in response to signals output from the TCM  . According to the ON or OFF status of SSA  or SSB  , the 1st gear engine brake operates or the gear shifts into REVERSE. As a fail-safe function, if any transaxle solenoid assembly abnormality occurs, the TCM  will disable the current to the solenoids.