Loss of Communication DTC Cross-reference Chart

Loss of Communication DTC cross-reference chart


When an ECU is unable to communicate with the other ECUs on the CAN circuit, the other control units will set loss of communication DTCs. Use this chart to find the control unit that is not communicating.

1.Find the Transmitting Control Unit that is in the same row as all of the loss of communication DTCs retrieved.

2.Perform the input test for the transmitting control unit.

Bus Off and Internal Error Codes
DTC type Related Unit 
MICU Gauge Control Module Climate Control Unit Immobilizer-Keyless Control Unit 
BUS OFF B1000 B1150 B1200 B1900 
ECU (CPU) Error B1001    
ECU (EEPROM) Error B1002 B1152 B1202  

Transmitting Control Unit Message Receiving Unit/Loss of Communication DTC 
MICU Gauge Control Module Climate Control Unit Immobilizer-Keyless Control Unit 
MICU RM  B1188   
HLSW  B1155   
WIPSW  B1156   
MICU  B1157   
DOORSW  B1159   
DRLOCKSW  B1160  B1905 
Gauge Control Module VSP/NE B1011  B1205  
A/T B1008   B1906 
ECT   B1206  
CDS (SRS) B1032    
ILLUMI   B1209  
ECM/PCM ENG  B1168   
A/T  B1169   
VSA Modulator-Control Unit VSA  B1170   
EPS Control Unit EPS  B1183   
SRS SRS  B1187