Skip to content
English
  • There are no suggestions because the search field is empty.

Bosch MG1CS024 - TC298

Bosch MG1CS024 - TC298 Support & Troubleshooting

Bosch MG1CS024 - TC298

Errors

Quickly identify and resolve common communication and programming issues for the Bosch MG1CS024 ECU.

Bootloader was not present on server

Direct OBD programming is prevented because the ECU software version is protected or requires a manual unlock.

View Solution →

7F-31-22: Request out of range

The ECU has rejected the programming request due to unmet environmental conditions or safety protocols.

View Solution →

Concerns vehicles from

Alpina BMW Rolls Royce Toyota

Bootloader was not present on server

Method: OBD / Recovery: Bench

Issue: The user is unable to perform OBD programming because the server does not recognize the specific software version or the ECU is factory-protected.

Solution
  • Verify the production date; if the ECU was produced before 06/2020, proceed with the following steps.
  • Switch the bFlash tool to BENCH mode.
  • Perform a full BENCH read of the ECU to extract the current firmware.
  • Flash the read file back to the ECU using BENCH mode without making any modifications.
  • This process applies an OBD unlock patch, allowing all future programming to be done via the OBD port.
To understand more

BMW models produced from 2019 onwards feature protected ECU versions that block direct OBD writing to prevent unauthorized modifications. By reading and re-flashing the file in BENCH mode, the tool patches the security layer, effectively "unlocking" the gateway for standard OBD communication.

7F-31-22: Request out of range

Method: Bench

Issue: The programming sequence was halted by the ECU because the required vehicle safety or power conditions were not met.

Solution
  • Ensure the Gearbox is set to Park (P) or Neutral (N).
  • Make sure the driver's seat belt is buckled.
  • Connect a battery stabilizer to maintain voltage above 13V.
  • Verify the Ignition is ON but the engine remains OFF.
  • If the error persists, lock the vehicle and wait for 10 minutes to let the modules go to sleep before retrying.
To understand more

Modern ECUs perform a "pre-flight check" before allowing memory writes to ensure the vehicle is in a safe state. If parameters like battery voltage or transmission state are incorrect, the ECU issues the 7F-31-22 error to protect the hardware from potential corruption during the flash process.