CAN COMMUNICATION SYSTEM DIAGNOSTIC TROUBLE CODE CHART

Tech Tips

As there is no sub bus monitor ECU for the power management bus, each ECU detects communication stops and stores DTCs.

Power Management Bus (Malfunction of Power Management Bus)
DTC Code	Detection Item	See page
U0100	Lost Communication with ECM / PCM "A"	Click here
U0129	Lost Communication with Brake System Control Module	Click here
U0293	Lost Communication with HV ECU	Click here

Power Management Bus (Open in Power Management Bus Branch, Communication Stop)
DTC Code	Detection Item	See page
U0129	Lost Communication with Brake System Control Module	Click here

V2 Bus (Power Management Control ECU Output DTCs (GTS Display: PM1 Gateway))
DTC Code	Detection Item	See page
U0103	Lost Communication with Gear Shift Module "A"	Click here
U0104	Lost Communication with Driving Support ECU	Click here
U0151	Lost Communication with Airbag ECU	Click here
U0164	Lost Communication with HVAC Control Module	Click here
U1002	Lost Communication with Gateway Module (Power Management1)	Click here
U1100	Lost Communication with Seat Belt Control ECU	Click here
U110B	Lost Communication with Parking Assist Control Module "B"	Click here

Parking Assist Bus (Driving Support ECU Output DTCs (GTS Display: Pre-Crash 2)
DTC Code	Detection Item	See page
U1002	Lost Communication with Gateway Module (Parking Assist Bus)	Click here