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Bosch MG1CS003MS - MPC5777M

Bosch MG1CS003MS - MPC5777M FAQ

Bosch MG1CS003MS - MPC5777M

Errors

A quick overview of the most common issues encountered when working with the Bosch MG1CS003MS ECU and their primary causes.

7F-23-10: UDS readMemoryByAddress Rx error

Communication failure during OBD reading, likely caused by anti-read protection from a previous tune.

View Solution →

Concerns vehicles from

BMW

7F-23-10: UDS readMemoryByAddress Rx error

Method: OBD / Recovery: Bench

Issue: The software fails to read the ECU memory through the diagnostic port, resulting in a communication reception error.

Solution
  • Switch the connection mode from OBD to BENCH to bypass diagnostic port limitations.
  • Ensure the ECU is powered correctly according to the bFlash wiring diagram.
  • If BENCH reading also fails, the anti-read protection might be hardware-level or specifically locked.
  • If the problem persists, Contact our technical support for further analysis.
To understand more

This error occurs when the UDS (Unified Diagnostic Services) protocol attempts to access restricted memory addresses. In most cases, this is a security measure implemented by previous tuning software to prevent unauthorized reading of their modified maps, effectively blocking standard OBD data requests.