DTC U2023 [INSTRUMENT CLUSTER]


id0902e8595600

DTC U2023

•  Abnormal message from PCM
DETECTION CONDITION
•  Correct data cannot be received from PCM
POSSIBLE CAUSE
•  PCM malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION

1
INSPECT FOR PCM MALFUNCTION
•  Turn the ignition switch to LOCK position.
•  Using the M-MDS, perform the DTC inspection for the PCM.
•  Are any DTCs detected?
Yes
Go to applicable DTC inspection.
No
Go to the next step.
2
VERIFY THAT THE SAME DTC IS NOT PRESENT
•  Clear the DTCs from the memory.
•  Are the same DTCs present?
Yes
Repeat the inspection from Step 1.
If the malfunction recurs, replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION [L8, LF].)
No
Go to the next step.
3
VERIFY THAT NO OTHER DTCS ARE PRESENT
•  Are any other DTCs output?
Yes
Go to the applicable DTC inspection.
No
DTC troubleshooting completed.