- Perform reset memory
- Reset transaxle compensation code
- Perform road test to allow ECM to learn
| Last Modified: 12-11-2024 | 6.11:8.1.0 | Doc ID: RM100000002OT75 |
| Model Year Start: 2025 | Model: GR Corolla | Prod Date Range: [09/2024 - ] |
| Title: UC80F (AUTOMATIC TRANSMISSION / TRANSAXLE): VALVE BODY ASSEMBLY: REMOVAL; 2025 MY Corolla Corolla Hatchback GR Corolla [09/2024 - ] | ||
REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during transmission valve body assembly removal/installation are shown below.
Necessary Procedures After Parts Removed/Installed/Replaced
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Replaced Part or Performed Procedure |
Necessary Procedure |
Effect/Inoperative Function when Necessary Procedure not Performed |
Link |
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Replacement of automatic transaxle fluid |
ATF thermal degradation estimate reset |
The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly |
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Replacement of transmission valve body assembly |
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Initialization:
Registration:
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PROCEDURE
1. REMOVE TRANSMISSION WIRE
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![2025 MY Corolla Corolla Hatchback GR Corolla [09/2024 - ]; UC80F (AUTOMATIC TRANSMISSION / TRANSAXLE): TRANSMISSION WIRE: REMOVAL](/t3Portal/stylegraphics/info.gif)
2. REMOVE TRANSMISSION VALVE BODY ASSEMBLY
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(a) Disengage the clamp to disconnect the transmission revolution sensor (NC) wire connector. |
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(b) Remove the 9 bolts and transmission valve body assembly from the automatic transaxle case sub-assembly. |
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(c) Remove the 2 transaxle case gaskets from the automatic transaxle case sub-assembly. |
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(d) Remove the transaxle case gasket from the counter drive gear sub-assembly.
(e) Remove the No. 1 front oil pump cover gasket from the front oil pump assembly.
(f) Remove the No. 2 front oil pump cover gasket from the front oil pump assembly.
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