Camshaft Position Error After Control Unit Replacement (LI54.21-P-055438)

Publication date: 2013-01-14
Reference number: LI54.21-P-055438

CAMSHAFT POSITION ERROR AFTER CONTROL UNIT REPLACEMENT

TECHNICAL SERVICE BULLETIN

Reference Number(s): LI54.21-P-055438 Version 1, Date of Issue: January 14, 2013

Mercedes-Benz:	212.074/ 274 216.374 218.374 221.074/ 174
Design Group:	54.21 Control modules/modules
Reason For Change:

COMPLAINT

Camshaft position error after control unit replacement or camshaft adjustment cannot be taught in during initial startup of a new control unit with manual transfer of settings

CAUSE

Under analysis

REMEDY

Open PTSS case and attach following information:

Initial quick test log
Control unit log of engine control module
Actual values of camshaft adjustment
Event log of initial startup

SYMPTOMS

Power generation / Engine management / Engine management, display message / Parameter setting false

Power generation / Engine management / Engine management indicator lamp / Engine diagnosis / lit

Overall vehicle / Networking / Diagnosis/software / Software update (add-on)

Overall vehicle / Networking / Diagnosis/software / Current problems

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

WORK UNITS

Op. no.	Operation text	Time	Damage code	Note
			54575 FM