Engine Controls - MIL ON And Vehicle In Limp-Home Mode

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)

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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