BMW fault code 5D14
Active cruise control
In the active cruise control, code 5D14 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.
ACC2: Sensor maladjusted
Module version: Active cruise control (ACC2)
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.
ACC: Sensor maladjusted
Module version: Active cruise control (ACC_E65)
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.
ACC: Internal control unit fault (control unit internal Conti RAM/ROM error)
Module version: Active cruise control (FRR_70)
LRR: Sensor maladjusted
Module version: Long range radar (LRR_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 5D14 is a BMW code, stored in the car's active cruise 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 active cruise control 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), Z4 (E85), 1 Series (E87), Z4 (E89), 3 Series (E90), 3 Series (E91), 3 Series (E92), 3 Series (E93)
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