BMW fault code 5E40
Dynamic stability control
In the dynamic stability control, code 5E40 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.
DSC: Steering-angle sensor: plausibility
Module version: Dynamic stability control MK60 E5 (DSC_85)
ABS-DSC: Steering angle implausible
Module version: Stability system MK60 (DSC_MK60)
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.
DSC: Wheel-speed sensor, supply, rear right (5e40 Wheel speed sensor rear right signal edge missing WSS type)
Module version: Dynamic stability control DSC8 (DXC8)
DSC: Wheel speed, supply, rear right (5e40 Wheel speed sensor rear right signal edge missing WSS type)
Module version: Dynamic stability control Plus DSC8 (DXC_83)
In: X3 (E83) 2003–2010
Reading and clearing it
Fault code 5E40 is a BMW code, stored in the car's dynamic stability control, 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 dynamic stability control is on: 3 Series (E36), Z3 (E36/7), 3 Series (E46), X5 (E53), X3 (E83), Z4 (E85), Z4 (E86)
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