Sunday, December 22, 2019

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 569


Test prerequisite



- Coolant temperature< 80锟斤拷 C



- Charger connected(The battery voltage must be higher than 12.5 V.)



- Ignition ON



- Engine not running



- Vehicle stationary



- There is no fault code present for component B11/4 (Coolant temperature sensor).



- The fuses of component M4/7 (Engine and AC electric suction fan with integrated control) are OK.



Actual values:



- Coolant temperature:Warning! Communication with ECU required.



Continue with button F2



0701



Component Y3/8n4 (Fully integrated transmission control (VGS) control unit) is defective.



Possible cause:



- Y3/8n4 (Fully integrated transmission control (VGS) control unit)



Affected functions:



- Automatic transmission Function



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Test 1: Remedial action if component 'Y3/8n4 (Fully integrated transmission control (VGS) control unit)' is faulty



1. Remedial action if component 'Y3/8n4 (Fully integrated transmission control (VGS) control unit)' is faulty



Operation number of operation texts and work units or standard texts and flat rates:27-0641Warning!In the event of stored faults with high fault



frequency counter:The control module must not be replaced.Cause



- Control module has an internal error.



REMEDY



- Disassemble and assemble automatic transmission using the repair instructions.



- Exchange electrohydraulic control unit.



Notes on submitting warranty or goodwill claimsSEAG damage code (7 digits): 54553 73IMPORTANT NOTEFollowing the repair measures, the



following checks MUST be carried out using the Diagnosis Assistance System, menu 'Initial startup'



- Initial startup with manual settings input for new control unit

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