BMW fault code 008A
Engine electronics
In the engine electronics, code 008A 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.
Plausibility input climate control switch DME-R and DME-L
Module versions: Motor Electronics (DM524DS0), Motor Electronics (DM528DS0)
In: 3 Series (E36) 1990–2000, 5 Series (E39) 1995–2003, 7 Series (E38) 1994–2001, X5 (E53) 1999–2006
DME: Signal, knock sensor 2
Module version: Motor Electronics (BMS46DS0)
In: 3 Series (E36) 1990–2000, 3 Series (E46) 1998–2006
DME: Signal, knock sensor 2 (EUIII code: P0330)
Module version: Motor Electronics (BMS46DS1)
In: 3 Series (E36) 1990–2000, 3 Series (E46) 1998–2006
CAN timeout message 1
Module version: Motor Electronics (BMSS501)
In: 3 Series (E36) 1990–2000
Differential Lock
Module version: Motor Electronics (MSS54DS0)
In: 3 Series (E46) 1998–2006
Reading and clearing it
Fault code 008A 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: 8 Series (E31), 5 Series (E34), 3 Series (E36), Z3 (E36/7), 7 Series (E38), 5 Series (E39), 3 Series (E46), Z8 (E52), X5 (E53), X3 (E83), Z4 (E85), Z4 (E86)
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