DTC U0100-00: CAN Communication Failure with ECM/ISU DTC U0101-00: CAN Communication Failure with PCM/TCM DTC U0126-00: CAN Communication Failure with Absolute Steering Wheel Angle Sensor DTC U0129-00: CAN Communication Failure with AHB/ESB/EBB DTC U0151-00: CAN Communication Failure with SRS DTC U0155-00: CAN Communication Failure with Meter
According to the detected DTC(s), check the voltage supply and ground circuit of the control unit which cannot communicate with the VSA modulator-control unit.
DTC Description
DTC
Freeze Frame
U0100-00 CAN Communication Failure with ECM/ISU
U0101-00 CAN Communication Failure with PCM/TCM
U0126-00 CAN Communication Failure with Absolute Steering Wheel Angle Sensor
U0129-00 CAN Communication Failure with AHB/ESB/EBB
U0151-00 CAN Communication Failure with SRS
U0155-00 CAN Communication Failure with Meter
1.
DTC check:
DTC check
?1.
Turn the vehicle to the ON mode.
?2.
Clear the DTC with the HDS.
?3.
Turn the vehicle to the OFF (LOCK) mode, then start the engine.
?4.
Test-drive the vehicle at 6 mph (10 km/h) or more.
NOTE: Drive the vehicle on the road, not on a lift.
?5.
Check for DTCs with the HDS.
DTC Description
DTC
Freeze Frame
U0100-00 CAN Communication Failure with ECM/ISU
U0101-00 CAN Communication Failure with PCM/TCM
U0126-00 CAN Communication Failure with Absolute Steering Wheel Angle Sensor
U0129-00 CAN Communication Failure with AHB/ESB/EBB
U0151-00 CAN Communication Failure with SRS
U0155-00 CAN Communication Failure with Meter
Is DTC indicated?
YES
Go to step 2.
NO
Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot.?
2.
Open wire check (F-CAN_H, F-CAN_L lines):
Open wire check (F-CAN_H, F-CAN_L lines)
?1.
Turn the vehicle to the OFF (LOCK) mode with driver's door open.
?2.
Wait for 3 minutes.
NOTE: Do not close the driver's door.
?3.
Disconnect the following connector.
VSA modulator-control unit 46P connector
?4.
Disconnect the following connectors according to the detected DTC.
DTC
Connector
U0100-00
PCM connector A (51P)
U0101-00
PCM connector A (51P)
U0126-00
EPS control unit connector B (6P)
U0129-00
Electric brake booster 26P connector
U0151-00
SRS unit connector A (39P)
U0155-00
Gauge control module connector A (32P)
NOTE: Jump the SCS line with the HDS, and wait more than 1 minute when disconnecting the PCM connector.
?5.
Check for continuity between the receiving control unit and the transmitting control unit according to the detected DTC.
Test condition
Vehicle OFF (LOCK) mode
VSA modulator-control unit 46P connector: disconnected
Transmitting control unit connector(s) for indicated DTCs: disconnected
The F-CAN_H and F-CAN_L wires are OK. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. According to the detected DTC on the following table, replace the correspond control unit.?
