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2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 2621


- Battery / On-board electrical system



- CAN Communication



- Automatic transmission Function



-------------------------------------------------



Test 1: Check alternator.



1. Check alternator.



Note on alternator testDepending on the engine variant, different alternators are installed.



- Alternators without networking



- Alternators networked with engine control unit



Networked alternators can be diagnosed via the engine control unit.Detailed information on alternator testing can be found in WIS.Press button F2 to



go to WIS documents



1. No further information available.



E0602



Control module Y3/8n4 (Fully integrated transmission control (VGS) control unit) is not coded.



Possible cause:



- Coding error.



Affected functions:



- Automatic transmission Function



-------------------------------------------------



Test 1: Remedial action for non-coded control unit Y3/8n4 (Fully integrated transmission control (VGS) control unit)



1. Remedial action for non-coded control unit Y3/8n4 (Fully integrated transmission control (VGS) control unit)



Operation number of operation texts and work units or standard texts and flat rates:27-0641POSSIBLE CAUSES



- SCN coding for control unit Y3/8n4 (Fully integrated transmission control (VGS) control unit) was not performed.



- The coding data were not or were not completely transferred to the memory of control unit Y3/8n4 (Fully integrated transmission control



(VGS) control unit).



REMEDY



- Repeat SCN variant coding.



NOTEIf repeated attempts at SCN coding were not successful, please notify the Hotline. Continue with button "F2"



Warning!Communication with ECU required.



E1644



The variant coding of component Y3/8n4 (Fully integrated transmission control (VGS) control unit) is implausible or no coding.



Possible cause:



- Invalid control module version



Affected functions:



- Automatic transmission Function



-------------------------------------------------



Test 1: Remedial action for implausible control unit variant



1. Remedial action for implausible control unit variant



Operation number of operation texts and work units or standard texts and flat rates:27-0641POSSIBLE CAUSES

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