Sae J1939
NOTE:
Below SAE J1939 and SAE J1708/1587 Electronic Control Unit (ECU) tables are provided for general reference. Coverage will vary depending on vehicle selection.
SAE J1939 ELECTRONIC CONTROL UNITS (ECU)
| Source Address (SA) | Control Unit | TruckSeries Table of Contents Categories |
|---|---|---|
| 0 | Engine #1 | Engine Performance > Testing & Diagnosis |
| 1 | Engine #2 | Engine Performance > Testing & Diagnosis |
| 3 | Transmission #1 | Transmission > Automatic Trans or Manual Trans or Transmission Control Systems |
| 5 | Shift Console - Primary | Transmission Automatic Trans |
| 11 | Brakes System Controller | Brakes > Anti-Lock Brakes or Traction Control |
| 17 | Cruise Control | Engine Performance > Testing & Diagnosis |
| 23 | Instrument Cluster #1 | Accessories and Body, Cab > Gauges & Instrument Panels |
| 25 | HVAC | HVAC > Manual HVAC System |
| 28 | Vehicle Navigation | Accessories and Body, Cab > Communication Devices |
| 33 | Body Controller | Body & Frame > Body, Cab Control Systems or Electrical > Body Electrical |
| 37 | Off Vehicle Gateway | Accessories and Body, Cab > Body, Cab Control Systems |
| 40 | Cab Display #1 | Electrical > Body Electrical |
| 42 | Headway Controller | Accessories & Equipment > Collision Avoidance |
| 47 | Suspension - System Controller #1 | Suspension > Suspension Control Systems |
| 49 | Cab Controller - Primary | Body & Frame > Body, Cab Control Systems |
| 51 | Tire Pressure Controller | Suspension > Wheel & Tire System |
| 58 | Passenger-Operator Climate Control #2 | HVAC > Manual HVAC System |
| 61 | Exhaust Emission Controller | Engine Performance > Testing & Diagnosis |
| 68 | Auxiliary Heater #1 | HVAC > General Servicing |
| 71 | Chassis Controller #1 | Accessories and Body, Cab > Body, Cab Control Systems |
| 74 | Communications Unit, Cellular | Engine Performance > Testing & Diagnosis |
| 76 | Communications Unit, Radio | Accessories and Body, Cab > Body, Cab Control Systems or Electrical > Body Electrical |
| 128 | Body Controller | Electrical > Body Electrical |
| 129 | Body Controller | Electrical > Body Electrical |
| 130 | Body Controller | Electrical > Body Electrical |
| 131 | Body Controller | Electrical > Body Electrical |
| 167 | Instrument Cluster #2 | Electrical > Body Electrical or Accessories and Body, Cab > Communication Devices |
| 202 | Trailer #1 Brakes (ABS-EBS) | Brakes > Antilock Brakes or Traction Control |
| 232 | Forward Road Image Processor | Transmission > Automatic Trans |