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Home >> Toyota >> 2020 >> Corolla L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (Automatic Transaxle System (K120) - Diagnostics - Introduction (1 Of 2)) >> K120 Continuously Variable Transaxle System >> Problem Symptoms Table [09/2022 - 11/2022] >> Problem Symptoms Table [09/2022 - 11/2022]

Problem Symptoms Table [09/2022 - 11/2022]

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

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CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM

Symptom Suspected Area Link
No gear change by moving shift lever to "+" or "-" from M*2 Transmission control switch circuit Refer to Transmission Control Switch Circuit [09/2022 - 11/2022]
No gear change by operating "+" or "-" shift paddle switch*1 Shift paddle switch circuit Refer to Shift Paddle Switch Circuit [09/2022 - 11/2022]
SPORT mode does not operate Pattern select switch sport mode circuit (for TMMMS Made) Refer to Pattern Select Switch Sport Mode Circuit [06/2018 - 11/2022]
Drive mode select switch circuit (for TMC Made) Refer to Drive Mode Select Switch Circuit [09/2022 - 09/2024]
Even though the shift lever is moved to any position, the shift position indicator does not change CAN communication system (for TMC Made) Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2022 - 11/2022]
CAN communication system (for TMMMS Made) Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2022 - 11/2022]
Perform Active Test (Combination Meter Assembly) Refer to DATA LIST / ACTIVE TEST [09/2022 - 11/2022]
Harsh engagement when shift mode is changed to gear mode Transaxle compensation code is not registered Refer to REGISTRATION [06/2018 - 09/2024] 
When the shift lever is moved to D or R from P or N, shift shock occurs and there is a lack of power. Engine stall avoidance control*3 -
Shift solenoid valve SLU (System malfunction) Refer to DTC P2756-00: Torque Converter Clutch Pressure Control Solenoid Control Circuit Performance/Stuck Off; DTC P2756-7E: Torque Converter Clutch Pressure Control Solenoid Control Actuator Stuck On [06/2018 - 09/2024]
Shift solenoid valve SLU (Electrical malfunction) Refer to DTC P2756-12: Torque Converter Clutch Pressure Control Solenoid Control Circuit Short to Battery [06/2018 - 09/2024]
Shift solenoid valve SLP (System malfunction) Refer to DTC P281F-00: Pressure Control Solenoid "J" Performance/Stuck Off (2 Trip Detected); DTC P281F-71: Pressure Control Solenoid "J" Performance/Stuck Off Actuator Stuck [06/2018 - 09/2024]
Shift solenoid valve SLP (Electrical malfunction) Refer to DTC P281F-14: Pressure Control Solenoid "J" Circuit Short to Ground or Open [06/2018 - 09/2024]