2.2.285. SPN 520212, FMI 31, ECU monitoring: Fault detected in microcontroller ADC monitoring function.ΒΆ

Description

The ECU monitoring system has detected a fault related to the analog to digital converter inside the ECU. The fault could occur due to wrong ECU settings in the software or a real problem in the ECU hardware.

Reaction in EEM

The FC is stored and the warning lamp is activated. The CAN message indicates an active fault.

Solution

First save the error log and then do the procedure that follows:

  • Reprogram the ECU.
  • In case of repetitive faults, the The ECU shall be replaced.