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DTC Description
 
 
DTC DETECTION LOGIC
DTC No.M.U.T.-III SE screen items
(Trouble diagnosis content)
DTC Detection Condition
U2141-81CAN comm err (TCM)
[Controller area network communication error (Transmission control module)]
Diagnosis conditionWhen electric motor switch is ON.
Signal (terminal)CAN communication signal
ThresholdIf air bag diagnosis sensor unit detects an error signal that is received from TCM via CAN communication
Diagnosis delay time2 seconds or more.
 
 
POSSIBLE CAUSE
  • TCM
  • Air bag diagnosis sensor unit
 
 
FAIL-SAFE
–
 
 
DTC CONFIRMATION PROCEDURE
1.CHECK DTC PRIORITY
If DTC U2141-81 is displayed with Network-DTC, first perform the trouble diagnosis for Network-DTC.
Is applicable DTC detected?
Perform diagnosis of applicable. Refer to DTC IndexDTC Index.
.
 
2.CHECK DIAGNOSTIC TROUBLE CODE RESULT
With M.U.T.-III SE
  1. Electric motor switch ON.
  2. Perform "Diagnostic Trouble Code" mode of "AIR BAG" using M.U.T.-III SE.
Is malfunctioning part detected?
Refer to Diagnosis Procedure.
-1To check malfunction symptom before repair: Refer to Intermittent Incident Intermittent Incident.
-2Confirmation after repair: INSPECTION END