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T-SB-0078-21

Manufacturer communications

Publication date
2021-09-02
Received by NHTSA
2021-10-25
NHTSA record numbers
10202448

Manufacturer summary

Original wording in English

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.

NHTSA manufacturer communications ↗

Reported code forms

C0597

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

ToyotaC059746
Brake System Control Module "A" Calibration / Parameter Memory Failure

NHTSA 10202448

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
ToyotaCOROLLA2021
ToyotaCOROLLA2020
ToyotaCOROLLA HATCHBACK2021
ToyotaCOROLLA HATCHBACK2020
ToyotaRAV42021
ToyotaRAV42020

Data coverage →