2.2.284. SPN 520211, FMI 31, ECU monitoring: injector driver IC is defect.ΒΆ

Description

The ECU monitoring system has detected an internal failure. A possible reason for this is an ECU hardware defect.

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.