DTC U2023 [ABS]

id0402a7878000

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 the LOCK position. • Using the M-MDS, perform the DTC inspection for the PCM. (See ON-BOARD DIAGNOSTIC TEST [L8, LF].) • Are any DTCs detected? | Yes | Go to applicable DTC inspection. (See DTC TABLE [L8, LF].)
No | Go to the next step.
2 | VERIFY THAT THE SAME DTC IS NOT PRESENT • Clear the DTCs from the memory. (See ON-BOARD DIAGNOSIS [ABS].) • 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. (See ON-BOARD DIAGNOSIS [ABS].)
No | DTC troubleshooting completed.