DTC Description
DTC DETECTION LOGIC
DTC | CONSULT screen terms (Trouble diagnosis content) | DTC detection condition |
U0100 | LOST COMM (ECM A) (Lost Communication With ECM/PCM A) | When the ignition switch is ON, TCM is unable to receive the CAN communications signal from ECM continuously for 2 seconds or more. |
POSSIBLE CAUSE
FAIL-SAFE
DTC CONFIRMATION PROCEDURE
1.PREPARATION BEFORE WORK
If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
Is “U0100” detected? YES >> Go to TM-96, "Diagnosis Procedure".
NO-1 >> To check malfunction symptom before repair: Refer to GI-41, "Intermittent Incident".
NO-2 >> Confirmation after repair: INSPECTION END
Diagnosis Procedure
For the diagnosis procedure, refer to LAN-17, "Trouble Diagnosis Flow Chart".
Readiness for inspection/maintenance (I/M) test
WARNINGA vehicle equipped with All -Wheel Drive
(AWD) should never be tested using a two
wheel dynamometer (such as the dynamometers
used by some states for emissions
testing), or similar equipment. Make
sure you inform the test facility personnel
that your vehicle is equipp ...
Bluetooth connection
Functional requirements
Compatible device with Bluetooth interface.
Compatible devices.
The vehicle key or BMW display key is in the
vehicle.
The device is ready for operation.
Bluetooth is switched on in the vehicle and
on the device.
The pairing readiness is displayed on the
Control Disp ...
Automatic High Beam
Assistant
Principle
The Automatic High Beam Assistant detects
other road users early on and automatically
switches the high beams on or off depending on
the traffic situation.
General information
The Automatic High Beam Assistant ensures
that the high beams are switched on, whenever
the traffic situation allo ...