Check for general software failures
Step-1: Flash the valid hex file if the SPN is still active. Step-2: Perform a Klemme-15 reset (Ignition reset). Step-3: Replace the powerpack if the SPN is still active.
What you'll see
Not applicable
System reaction
Set the Yellow Lamp to "On". Set the signal EASState to ERROR. Set the EPS motor torque to 0 Nm. Electronic steering system is inactive. The software endstops are deactivated. DTC, KFC_ERROR_MODE_ACTIVE is set ACTIVE in the same Klemme-15 cycle. ActualSteeringMode signal stay in ASM mode. Steering gear operational mode is in Disable Steering gear degradation reason is in Internal Fault Note:ASM functionality deactivate
Diagnostic depth
1. Redundant stored parameter differs from the original value. 2. Incorrect hardware internal configurations. 3. The DTC will set during the following condition: 1.System state: NMWait, PreDrive, DriveDown, DriveUp, PostRun, Off, Error, Flash, LowVolt. 2.System voltage is above 6v. 3.System voltage is below 42v.
Defective powerpack.