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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> Steering >> Electronic Steering >> On-Board Diagnostic - Steering >> DTC U0401-00; Can System Communication Error >> Diagnostic Procedure

Diagnostic Procedure

DIAGNOSTIC PROCEDURE

Step Inspection Action
1 INSPECT FOR PCM MALFUNCTION Yes Go to applicable DTC inspection.
(See DTC TABLE [PCM (SKYACTIV-G 2.0, SKYACTIV-G 2.5)] .)
DTC troubleshooting completed, then go to the next step.
No Go to the next step.
2 VERIFY DTC TROUBLESHOOTING COMPLETED Yes Replace the PCM.
(See PCM REMOVAL/INSTALLATION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
No DTC troubleshooting completed.