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Toyota TSB #T-SB-0078-21 Rev
2022 Toyota Corolla
TSB Document:
Affected Component: EQUIPMENT
- Summary
- TSB: Some 2021 ? 2022 model year Corolla and Corolla Hatchback and 2021 model year RAV4 vehicles may exhibit a Parking Brake Malfunction warning message on the Multi-information Display (MID) with Diagnostic Trouble Code (DTC) C059746 (Brake System Control Module ?A? Calibration / Parameter Memory Failure) present. This bulletin addresses DTC C059746 only, it may appear before or after completing the Repair Procedure in this bulletin. No other condition or DTC should be present. If there are additional DTCs, continue diagnosis using applicable Repair Manual before completing the Repair Procedure outlined in this service bulletin
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