BMW fault code CDAD
Engine electronics
In the engine electronics, code CDAD 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.
Message (request, wheel torque, drivetrain, 0xBF) incorrect, receiver DME, transmitter DSC/LDM
Module versions: Engine electronics (MSD80N43), Engine electronics (MSV70), Engine electronics (MSV80)
Which BMWs have these versions depends on the engine and equipment, so we don't list them here; AutoLingo for BMW reads which version your car has.
No message (request, wheel torque, drivetrain, 0xBF), DME receiver, DSC transmitter
Module versions: Engine electronics (MEVD174K), Engine electronics (MEVD176K)
Which BMWs have these versions depends on the engine and equipment, so we don't list them here; AutoLingo for BMW reads which version your car has.
Message error (request, wheel torque, drivetrain, 0xBF), DME receiver, DSC transmitter
Module versions: Engine electronics (MSD85), Engine electronics (MSD85Y)
Which BMWs have these versions depends on the engine and equipment, so we don't list them here; AutoLingo for BMW reads which version your car has.
PT-CAN2: message (restriction, KLE, 0x1F5) incorrect, receiver EME, transmitter EME
Module version: Engine electronics (EDME82)
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.
No message (wheel torque request, drivetrain, 0xBF), receiver DME, transmitter DSC
Module version: Engine electronics (MEVD17KW)
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.
Message error (request, wheel torque, drivetrain, 0xBF), DME receiver, DSC / LDM transmitter
Module version: Engine electronics (MSD80)
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.
INDEX_175_INJ
Module version: Engine electronics (MSS60)
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 CDAD is a BMW code, stored in the car's engine electronics, 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 engine electronics is on: 3 Series (E46), Z8 (E52), X5 (E53), 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), X3 (E83), X1 (E84), Z4 (E85), Z4 (E86), 1 Series (E87), 1 Series (E88), Z4 (E89), 3 Series (E90), 3 Series (E91), 3 Series (E92), 3 Series (E93)
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