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Loss of Communication DTC Cross-Reference Chart

WARNING: This page is about a different variant/trim than selected.

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

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

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

BUS OFF and Internal Error Codes 

DTC Type  Related Unit 
Acoustic Vehicle Alerting Control Unit Automatic Lighting Control Unit-Sensor Body Control Module BSI Radar Unit Climate Control Unit
BUS OFF   U1280 U1280 U1280 U1280
ECU (EEPROM) Error     B1002    
DTC Type  Related Unit 
Front Seat Heater Control Unit Gauge Control Module Keyless Access Backup Control Unit Keyless Access Control Unit Keyless Access Power Control Unit
BUS OFF U1280 U1280 U1280 U1280 U1280
ECU (EEPROM) Error       B1602  
DTC Type  Related Unit 
Multiplex Control Unit, Door (Power Window Master Switch) Parking and Back-Up Sensor Control Unit Power Seat Control Unit Power Tailgate Control Unit Relay Control Module
BUS OFF U1280 U1280 U1280 U1280 U1280
ECU (EEPROM) Error   B2602 B1802 B1352 B1052
DTC Type  Related Unit 
Wireless Charger
BUS OFF U1280
ECU (EEPROM) Error  

Loss of Communication 

Transmitting Control Unit  Receiving Unit/Loss of Communication DTC 
Acoustic Vehicle Alerting Control Unit Automatic Lighting Control Unit-Sensor Body Control Module BSI Radar Unit Climate Control Unit
Body Control Module   U1281 TX U1281 U1281
Gauge Control Module U0155-00 U128D U128D U128D U128D
Front Seat Heater Control Unit         U1290
Relay Control Module     U1291    
PCM U0100-00 / U0101-00   U0100    
VSA Modulator-Control Unit U0122-00   U0122    
Electric Parking Brake Control Unit U0128-00        
Electric Servo Brake Control Unit U0129-00        
Transmitting Control Unit  Receiving Unit/Loss of Communication DTC 
Front Seat Heater Control Unit Gauge Control Module Keyless Access Backup Control Unit Keyless Access Control Unit Keyless Access Power Control Unit
Body Control Module   U1281   U1281 U1281
Parking and Back-Up Sensor Control Unit   U1288      
Gauge Control Module   TX U128D U128D U128D
Climate Control Unit U1064        
PCM   U0100 / U0101     U0100
Millimeter Wave Radar   U0104      
Battery Condition Monitor Module   U0111      
Real Time AWD Control Unit   U0114      
VSA Modulator-Control Unit   U0122     U0122
Electric Parking Brake Control Unit   U0128      
EPS Control Unit   U0131      
SRS Unit   U0151      
Multipurpose Camera Unit   U129C      
Acoustic Vehicle Alerting Control Unit   U12A0      
Transmitting Control Unit  Receiving Unit/Loss of Communication DTC 
Multiplex Control Unit, Door (Power Window Master Switch) Parking and Back-Up Sensor Control Unit Power Seat Control Unit Power Tailgate Control Unit Relay Control Module
Body Control Module U1281 U1281 U1281 U1281 U1281
Gauge Control Module U128D U0155 U128D U128D U128D
Climate Control Unit U1299        
Multiplex Control Unit, Door (Power Window Master Switch) TX   U0199 U0199  
Transmitting Control Unit  Receiving Unit/Loss of Communication DTC 
Wireless Charger
Body Control Module U1281
Keyless Access Control Unit U1286
Gauge Control Module U128D
Audio Unit / Audio-Navigation Unit U128E

TX: Transmitting units do not set loss of communication DTCs.