Last Modified: 12-11-2024 6.11:8.1.0 Doc ID: RM100000002OT76
Model Year Start: 2025 Model: GR Corolla Prod Date Range: [09/2024 -           ]
Title: UC80F (AUTOMATIC TRANSMISSION / TRANSAXLE): VALVE BODY ASSEMBLY: DISASSEMBLY; 2025 MY Corolla Corolla Hatchback GR Corolla [09/2024 -        ]

DISASSEMBLY

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during solenoid (SL1, SL2, SL3, SL4, SL5 and/or SL6) valve removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

Replacement of solenoid (SL1, SL2, SL3, SL4, SL5 and/or SL6) valve
  • Perform reset memory
  • Reset transaxle compensation code
  • Perform road test to allow ECM to learn
  • Large shift shock
  • Deterioration of fuel efficiency

Initialization:

2025 MY Corolla Corolla Hatchback GR Corolla [09/2024 -        ]; UC80F (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: INITIALIZATION

Registration:

2025 MY Corolla Corolla Hatchback GR Corolla [09/2024 -        ]; UC80F (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: REGISTRATION

PROCEDURE

1. REMOVE MANUAL VALVE

(a) Remove the manual valve from the transmission valve body assembly.

2. REMOVE SOLENOID LOCK PLATE

(a) Remove the 3 bolts and solenoid lock plate from the transmission valve body assembly.

3. REMOVE SOLENOID (SLU) VALVE

(a) Remove the solenoid (SLU) valve from the transmission valve body assembly.

4. REMOVE SOLENOID (SL5) VALVE

(a) Remove the solenoid (SL5) valve from the transmission valve body assembly.

5. REMOVE SOLENOID (SL6) VALVE

(a) Remove the solenoid (SL6) valve from the transmission valve body assembly.

6. REMOVE SOLENOID (SL4) VALVE

(a) Remove the solenoid (SL4) valve from the transmission valve body assembly.

7. REMOVE SOLENOID (SL3) VALVE

(a) Remove the solenoid (SL3) valve from the transmission valve body assembly.

8. REMOVE SOLENOID (SL1) VALVE

(a) Remove the solenoid (SL1) valve from the transmission valve body assembly.

9. REMOVE SOLENOID (SL2) VALVE

(a) Remove the solenoid (SL2) valve from the transmission valve body assembly.

10. REMOVE SOLENOID (SLT) VALVE

(a) Remove the solenoid (SLT) valve from the transmission valve body assembly.

11. REMOVE SOLENOID (SL) VALVE

(a) Remove the bolt and solenoid (SL) valve from the transmission valve body assembly.