Before performing diagnosis, check the following item which might affect the quality of the tire pressure monitoring system. 1. TIRE • Inspect that the tire pressure is within the specification while the tire is cool. (Refer to Tire Caution Label.) • Check the tires for damage or the insertion of foreign matters. 2. BATTERY Check the battery. Battery > INSPECTION Battery > INSPECTION |
CautionDtc u0401 invalid data received from ecm/pcm "a"
DTC DETECTING CONDITION:Defective data from ECM.TROUBLE SYMPTOM:Defective data on CAN communication occurs.STEPCHECKYESNO1.CHECK PERFORMING OF BASIC DIAGNOSTIC PROCEDURE.Was the basic diagnostic procedure performed up to STEP 8- Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0401 INV ...