Service bulletin T-SB-0078-21 Rev
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10234347 |
| Published by NHTSA | 2023-04-17 |
| Manufacturer's number | T-SB-0078-21 Rev |
| Manufacturer's date | 2023-03-31 |
| NHTSA component | EQUIPMENT; PARKING BRAKE; ELECTRICAL SYSTEM; LANE DEPARTURE |
NHTSA's 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
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Brakes, Driver assistance, Electrical system, Equipment and accessories, Parking brake
Trouble codes named
C0597
| TOYOTA COROLLA | 2021, 2022 |
|---|---|
| TOYOTA COROLLA HATCHBACK | 2021 (the catalog's model; the bulletin names a series or trim of it) |
| TOYOTA RAV4 | 2021 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| T-SB-0078-21 Rev | 2023-04-17. Service bulletin. 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 |
|---|---|
| T-SB-0078-21 | 2021-10-25. Service bulletin. TSB: Some 2020 ? 2021 model year Corolla, Corolla Hatchback, and 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. Follow the Repair Procedure in this service bulletin to address this condition. |
| T-SB-0005-21 | 2021-02-16. Service bulletin. TSB: Some 2021 model year RAV4 Prime vehicles may exhibit a condition in which the steering wheel controls are inoperative after the ignition switch has been turned off for two minutes. Some examples where customers may notice this condition include: ?Unable to select the Charge Now function after the charging cable is plugged in, with a charging schedule set. ?Unable to turn the Power Back Door Master Switch on, when the power back door button is pressed with the power back door system turned off. ?Unable to dismiss warning messages such as ?door open? or ?window open.? The combination meter logic has been modified to reduce the possibility of this condition. Follow the Repair Procedure in this bulletin to address this condition. |