Engine Changes To Limp-Home Mode With DTC 2082-008 (LI14.40-P-045782)

Publication date: 2009-01-26
Reference number: LI14.40-P-045782
Supersedes refnos: 14.40/25

ENGINE CHANGES TO LIMP-HOME MODE WITH DTC 2082-008

TECHNICAL SERVICE BULLETIN

Reference Number(s): LI14.40-P-045782 Version 1 (S-B-14.40/25, April 11, 2008), Date of Issue: January 26, 2009

Mercedes-Benz:	Model 164.122, Up to VIN A277429; Model 211.022, Up to VIN B150432; Model 251.122, Up to VIN A060265
Design Group:	14.40 Exhaust-gas Aftertreament, AdBlue
Reason For Change:

COMPLAINT

Engine Changes to Limp-Home Mode with DTC 2082-008

CAUSE

If you receive customer reports in the above model vehicles of the engine going into limp-home mode with Diagnostic Trouble Code (DTC) 2082-008 (Check component B28/8 (Pressure differential sensor (DPF)) plausibility error due to malfunctioning hose lines), this may be caused by the software parameters in the CDI engine control unit.

REMEDY

To remedy this issue, program the CDI engine control unit with the latest CDI software release (Software Availability: Engine 642 as of DVD 05/2007 and Later).

NOTE: The following allowable labor operations should be used when submitting a warranty claim for this repair. This information has been generated on April 11, 2008. Please refer to Netstar -> Star TekInfo -> Star Time for the most current labor time allowance.

SYMPTOMS

Power generation / Engine performance / Engine management / Goes into limp-home mode /

WORK UNITS

Op. no.	Operation text	Time	Damage code	Note
54-1011	SHORT TEST, PERFORM	0.3 hrs.	54581 FM	Model Indicators: BD, TC, Z4
54-0991	CONTROL UNIT - SOFTWARE (AFTER SHORT TEST), INSTALL	0.3 hrs.		Model Indicators: BD, TC, Z4
54-0992	CONTROL UNIT - CODE (AFTER SHORT TEST), PERFORM	0.1 hrs.		Model Indicators: BD, TC, Z4