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DTC Description
 
 
DTC DETECTION LOGIC
DTCM.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detecting condition
U2248-87CAN comm err (brake control unit)
[Controller area network communication error (brake control unit)]
Diagnosis conditionIgnition switch: ON
SignalCAN communication signals
ThresholdNot receiving CAN signal from ABS actuator and electric unit (control unit).
Diagnosis delay time2 seconds or more
 
 
POSSIBLE CAUSE
  • CAN communication system
  • ABS actuator and electric unit (control unit)
 
 
FAIL-SAFE
Although AWD control is canceled, the vehicle can drive at 2WD condition.
 
 
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
: .
 
2.DTC REPRODUCTION PROCEDURE
With M.U.T.-III SE
  1. Turn the ignition switch ON.
  2. Drive at 10 km/h (6 MPH) or more for approximately 5 minutes in urban areas.
  3. Stop the vehicle.
  4. Perform self-diagnosis for “ALL MODE AWD/4WD”.
Is DTC “U2248-87” detected?
Proceed to diagnosis procedure. Refer to Diagnosis Procedure.
-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END