BMW fault code A3EC
Navigation system, Japan
In the navigation system, japan, code A3EC 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.
JNAV: No wheel-speed signal
Module versions: Navigation system, Japan (JNAV60_2), Navigation system, Japan (JNAV60_3)
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.
CNAV: No wheel-speed signal
Module version: Navigation system China (CNAV60)
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 Speed Pulse signal available.
Module version: Navigation system, Japan (JNAV60)
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.
KNAV: No wheel-speed signal
Module version: Navigation system Korea (KNAV60)
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 A3EC is a BMW code, stored in the car's navigation system, japan, 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 navigation system, japan 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), 1 Series (E87), 1 Series (E88), Z4 (E89), 3 Series (E90), 3 Series (E91), 3 Series (E92), 3 Series (E93)
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