Engine Controls - MIL ON And Vehicle In Limp-Home Mode
Engine in limp-home mode and engine diagnosis indicator lamp lights up
Topic number LI07.08-N-048806
Version 1
Design group 07.08 Control modules
Date 02-01-2010
Validity Model 906 with engine OM642, OM646, OM651 and diesel
particulate filter
Reason for change
Reason for block
Complaint:
The vehicle is going into limp-home mode and the Check Engine Light (CEL) is being illuminated.
Cause:
The CDI control unit has detected a fault which results in limp-home mode. The limp-home mode causes certain engine functions to be deactivated
or to use default values. The control unit can no longer correctly determine the load state of the diesel particulate filter. The state of the diesel
2010 Mercedes Benz Truck Sprinter 3500 Cab (906.153) V6-3.0L DSL Turbo (642.898)
Page 106
particulate filter may become implausible.
Remedy:
After rectifying the cause of the fault, perform workshop regeneration of the diesel particulate filter. This resets the diesel particulate filter to a