[Previous][Next]
DTC Description
 
 
DTC DETECTION LOGIC
DTC No.M.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
U254187CAN comm err (TCM)
[Controller area network communication error (transmission control module)]
1Diagnosis conditionWhen ignition switch is ON.
Signal (terminal)CAN communication signal
ThresholdNot transmitting to TCM.
Diagnosis delay time2 seconds or more
2Diagnosis conditionWhen ignition switch is ON.
Signal (terminal)CAN communication signal
ThresholdNot receiving from TCM.
Diagnosis delay time2 seconds or more
 
 
POSSIBLE CAUSE
  • CAN communication system
  • TCM
 
 
FAIL-SAFE
The following functions are suspended.
Automatic brake hold function
 
 
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always ignition switch OFF and wait at least 10 seconds before conducting the next test.
: .
 
2.CHECK DTC DETECTION
With M.U.T.-III SE
  1. Ignition switch OFF to ON.
    cautionBe sure to wait of 10 seconds after ignition switch OFF or ON.
  2. Perform self-diagnosis for “CHASSIS CONTROL”.
Is DTC “U2541-87” detected?
-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END