Tuesday, June 30, 2020

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 1170

Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Manufacturer Code Page 1170

REMEDY

- Disassemble and assemble automatic transmission using the repair instructions.

- Exchange electrohydraulic control unit.

IMPORTANT NOTEFollowing the repair measures, the following checks MUST be carried out using the Diagnosis Assistance System, menu

'Control unit adaptations'

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

- SCN coding

End of test

NO

The measurement value is not OK.Possible cause and remedy

- Diagnostic cable has open circuit.

- Inspect wiring and connectors at connection points for loose contacts, damage and corrosion. Repair or replace as required.

End of test

NO

The measurement value is not OK.Possible cause and remedy

- Diagnostic cable has short to ground.

- Inspect wiring and connectors at connection points for loose contacts, damage and corrosion. Repair or replace as required.

End of test

NO

Further image can be displayed with key F7.X11/4 (Diagnosis test connector)Test sequence

- Switch off ignition.

- Separate plug connection at transmission.

- Measure voltage in transmission wiring harness using a multimeter.

- Measure resistance with multimeter between 3 and 11 (X11/4)

Specified value

- Resistance measured: [< 0,6] ohms

Question

- Is the measurement value OK?