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Home >> Toyota >> 2019 >> Sequoia SR5, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Automatic Transmission (Ab60E) - Diagnostic Codes (2 Of 2) & Circuit Tests) >> Automatic Transmission System >> DTC P0976: Shift Solenoid "B" Control Circuit Low (Shift Solenoid Valve S2); DTC P0977: Shift Solenoid "B" Control Circuit High (Shift Solenoid Valve S2) [08/2017 - 08/2019] >> Description

DTC P0976: Shift Solenoid "B" Control Circuit Low (Shift Solenoid Valve S2); DTC P0977: Shift Solenoid "B" Control Circuit High (Shift Solenoid Valve S2) [08/2017 - 08/2019]: Description

WARNING: This page is about a different variant/trim than selected.

Shifting from 1st to 6th is performed in combination with ON and OFF operation of the shift solenoid valves SL1, SL2, S1, S2, S3, S4 and SR, which are controlled by the ECM. If an open or short circuit occurs in any of the shift solenoid valves, the ECM controls the remaining normal shift solenoid valves to allow the vehicle to be operated safely. Also, the ECM stops sending the current to the open or short circuited solenoid (Refer to FAIL-SAFE CHART [08/2015 - ] ).

DTC Code DTC Detection Condition Trouble Area
P0976 ECM detects short in solenoid valve S2 circuit 2 times when solenoid valve S2 is operated (1 trip detection logic)
  • Short in shift solenoid valve S2 circuit
  • Shift solenoid valve S2
  • ECM
P0977 ECM detects open in solenoid valve S2 circuit 2 times when solenoid valve S2 is not operated (1 trip detection logic)
  • Open in shift solenoid valve S2 circuit
  • Shift solenoid valve S2
  • ECM