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Home >> Toyota >> 2016 >> Avalon XLE Plus >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission [U660E] - Diagnostic Codes & Circuit Tests - (Except Hybrid) (2 Of 2) >> Automatic Transaxle System >> DTC P0989: Transmission Fluid Pressure Sensor / Switch "E" Circuit Low; DTC P0990: Transmission Fluid Pressure Sensor / Switch "E" Circuit High [10/2015 - ] >> Monitor Description

Monitor Description

The TCM illuminates the MIL and stores the DTC when the TCM detects that the ATF pressure switch is OFF with the lock-up solenoid ON or when the TCM detects that the ATF pressure switch is ON with the lock-up solenoid OFF.