DTC Description
DTC DETECTION LOGIC
DTC
M.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
C2589
81
TCM
(Transmission control module)
Diagnosis condition
When engine is running
When AEB system is ON
Signal (terminal)
—
Threshold
If the TCM is malfunction
Diagnosis delay time
2 seconds or more
POSSIBLE CAUSE
TCM
FAIL-SAFE
The following systems are canceled.
Vehicle-to-vehicle distance control mode
Conventional (fixed speed) cruise control mode
Steering wheel assistance function
AEB
PFCW
CONFIRMATION PROCEDURE
1.
CHECK DTC PRIORITY
If DTC “C2589-81” is displayed with Network-DTC, first diagnose the Network-DTC.
Is applicable DTC detected?
Perform diagnosis of applicable. Refer to DTC Index
DTC Index
.
.
2.
PERFORM DTC CONFIRMATION PROCEDURE
Start the engine.
Turn the AEB system ON.
Perform “Read All DTCs” with M.U.T.-III SE.
Check if the “C2589-81” is detected as the current malfunction in self-diagnosis results of “LASER/RADAR”.
Is “C2589-81” detected as the current malfunction?
Refer to DTC Diagnosis Procedure
Diagnosis Procedure
.
-1
To check malfunction symptom before repair: Refer to Intermittent Incident
Intermittent Incident
.
-2
Confirmation after repair: INSPECTION END