CAN COMMUNICATION SYSTEM > DIAGNOSTIC TROUBLE CODE CHART

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Power Management Control ECU Output DTCs (Intelligent Tester Display/PM1 Gateway) 
DTC Code
Detection Item
Trouble Area
See page
U0104
Lost Communication with Driving Support ECU
1. Driving support ECU assembly branch line or connector
2. Power source circuit of driving support ECU assembly
3. Driving support ECU assembly
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U1002
Lost Communication with Gateway Module (Power Management1)
1. Open or short in V2 bus main line or connector
2. Open or short in V2 bus branch line or connector
3. Power management control ECU
4. Driving support ECU assembly
5. Seat belt control ECU
6. Parking assist ECU
7. Clearance warning ECU assembly
8. CAN No. 4 junction connector
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U1100
Lost Communication with Seat Belt Control ECU
1. Seat belt control ECU branch line or connector
2. Power source circuit of seat belt control ECU
3. Seat belt control ECU
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U110B
Lost Communication with Parking Assist Control Module "B"
1. Parking assist ECU branch line or connector
2. Power source circuit of parking assist ECU
3. Parking assist ECU
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U1110
Lost Communication with Clearance Sonar Module
1. Clearance warning ECU assembly branch line or connector
2. Power source circuit of clearance warning ECU assembly
3. Clearance warning ECU assembly
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Power Management Control ECU Output DTCs (Intelligent Tester Display/PM2 Gateway) 
DTC Code
Detection Item
Trouble Area
See page
U0100
Lost Communication with ECM / PCM
1. ECM main line or connector
2. Power source circuit of ECM
3. ECM
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U0129
Lost Communication with Brake System Control Module
1. Skid control ECU branch line or connector
2. Power source circuit of skid control ECU
3. Skid control ECU (Brake booster with master cylinder assembly)
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U0164
Lost Communication with A/C ECU
1. Air conditioning amplifier assembly branch line or connector
2. Power source circuit of air conditioning amplifier assembly
3. Air conditioning amplifier assembly
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U1002
Lost Communication with Gateway Module (Power Management2)
1. Open or short in power management bus main line or connector
2. Open or short in power management bus branch line or connector
3. Power management control ECU
4. ECM
5. Air conditioning amplifier assembly
6. Skid control ECU (Brake booster with master cylinder assembly)
7. CAN No. 1 junction connector (for LHD)
8. CAN No. 3 junction connector (for RHD)
9. CAN No. 5 junction connector
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Main Body ECU Output DTCs (Intelligent Tester Display/Main Body) 
DTC Code
Detection Item
Trouble Area
See page
U0199
Lost Communication with "Door Control Module A"
1. Outer mirror control ECU assembly branch line or connector
2. Power source circuit of outer mirror control ECU assembly
3. Outer mirror control ECU assembly (Front passenger side) (for LHD)
4. Outer mirror control ECU assembly (Driver side) (for RHD)
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U0200
Lost Communication with "Door Control Module B"
1. Outer mirror control ECU assembly branch line or connector
2. Power source circuit of outer mirror control ECU assembly
3. Outer mirror control ECU assembly (Driver side) (for LHD)
4. Outer mirror control ECU assembly (Front passenger side) (for RHD)
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U0208
Lost Communication with "Seat Control Module A"
1. Position control ECU and switch assembly branch line or connector
2. Power source circuit of position control ECU and switch assembly
3. Position control ECU and switch assembly
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U1002
Lost Communication with Gateway Module (Main Body)
1. Open or short in CAN MS bus main line or connector
2. Open or short in CAN MS bus branch line or connector
3. Main body ECU (Multiplex network body ECU)
4. Position control ECU and switch assembly
5. Outer mirror control ECU assembly (Driver side)
6. Outer mirror control ECU assembly (Front passenger side)
7. CAN No. 6 junction connector
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