BMW fault code D68D
Telematics control unit
In the telematics control unit, code D68D means different things depending on the version of the module in the car. Find your car below; the app shows the right one for yours.
Waking device failed 3 times to wake the network. (Error_WakeUp_Failed).
Module version: Telephone ECE (TEL_ECE)
In: 7 Series (E65) 2001–2008, 7 Series (E66) 2002–2008, 7 Series (E67) 2002–2008
Waking device failed 3 times to wake the network (Error_WakeUp_Failed).
Module version: Telephone USA (TEL_USA)
In: 7 Series (E65) 2001–2008, 7 Series (E66) 2002–2008, 7 Series (E67) 2002–2008
Waking device failed three times to wake the network (Error_WAKEUP_Failed)
Module version: Telematics control unit (TELE60_2)
Which BMWs have this version depends on the engine and equipment, so we don't list them here; AutoLingo for BMW reads which version your car has.
TCU: network wake-up unsuccessful (Error_WAKEUP_Failed)
Module version: Telematics control unit (TELE60_3)
Which BMWs have this version depends on the engine and equipment, so we don't list them here; AutoLingo for BMW reads which version your car has.
MOST bus could not be woken up (Error_Wakeup_Failed)
Module version: Interface box (ULF2_60)
Which BMWs have this version depends on the engine and equipment, so we don't list them here; AutoLingo for BMW reads which version your car has.
Reading and clearing it
Fault code D68D is a BMW code, stored in the car's telematics control unit, not a generic OBD2 code (P0xxx): a generic OBD2 reader only reaches the engine's emissions faults, so it won't show it. AutoLingo for BMW reads it with BMW's own diagnostic protocols, in plain English, with the details the module stored about it, and clears it after a repair. If a fault comes right back after it's cleared, the problem is still there.
The telematics control unit is on: 5 Series (E60), 5 Series (E61), 6 Series (E63), 6 Series (E64), 7 Series (E65), 7 Series (E66), 7 Series (E67), X5 (E70), X6 (E71), X6 (E72), 1 Series (E81), 1 Series (E82), X1 (E84), 1 Series (E87), 1 Series (E88), Z4 (E89), 3 Series (E90), 3 Series (E91), 3 Series (E92), 3 Series (E93)
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