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DTC Description
 
 
DTC DETECTION LOGIC
DTC No.M.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
U0074-00Control module comm Bus B Off
(Control module communication bus B off)
Diagnosis conditionWhen ignition switch is ON
Signal (terminal)AV communication signal
ThresholdTransmission or reception error
Diagnosis delay time1 second or more
 
 
POSSIBLE CAUSE
AV communication circuit
 
 
FAIL-SAFE
Telematics system does not operate
 
 
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
With M.U.T.-III SE
  1. Turn ignition switch ON.
  2. Turn ignition switch OFF and wait at least 30 seconds.
  3. Turn ignition switch ON and wait at least 30 seconds or more.
  4. Select “Self Diagnostic Result” mode of “IVC” using M.U.T.-III SE.
  5. Check DTC.
Is DTC U0074-00 detected?
Refer to Diagnosis Procedure.
-1To check malfunction symptom before repair:Refer to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END