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DTC Description
 
 
DTC DETECTION LOGIC
DTC No.M.U.T.-III SE screen items
(Trouble diagnosis content)
DTC Detection Condition
U2143-81CAN comm err (VCM/HCM)
[Controller area network communication error (VCM/HCM)]
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 PHEV-ECU via CAN communication
Diagnosis delay time2 seconds or more.
 
 
POSSIBLE CAUSE
  • PHEV-ECU
  • Air bag diagnosis sensor unit
 
 
FAIL-SAFE
—
 
 
DTC CONFIRMATION PROCEDURE
1.CHECK DTC PRIORITY
If DTC U2143-81 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 IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END