TM 10-3930-675-24-1
ECU-TO-ECU COMMUNICATIONS TROUBLESHOOTING
THIS WORK PACKAGE COVERS
Error Code 112 - Communication Failure Between Dis-
Error Code 103 - ECU (790) Not Responding (RESET
play ECU (795) and Engine ECU (794)
or USMC Only)
Error Code 105 - ECU (790) Not Responding
Error Code 345 - Communication Failure Between
Steering ECU (792) and Display ECU (795)
Error Code 106 - ECU (791) Not Responding
Error Code 346 - Communication Failure Between
Error Code 107 - Cable Failure Between Tophandler
Steering ECU (792) and Transmission ECU (793)
ECU (791) and Display ECU (795)
Error Code 684 - Communication Failure Between
Error Code 108 - Cable Failure Between Tophandler
Transmission ECU (793) and Display ECU (795)
ECU (791) and Servo ECU (790)
Error Code 685 - Communication Failure Between
Error Code 109 - Cable Failure Between Servo ECU
Transmission ECU (793) and Steering ECU (792)
(790) and Display ECU (795)
Error Code 1285 - Engine Detects a Communication
Error Code 110 - Communication Failure Between Dis-
Failure on the J1939 Datalink
play ECU (795) and Steering ECU (792)
Error Code 111 - Communication Failure Between Dis-
Error Code 1286 - Engine Detects a Communication
play ECU (795) and Transmission ECU (793)
Failure on the J1939 Datalink
INITIAL SETUP
Tools and Special Tools
References
TM 10-3930-675-10
Test Lead, Female (Item 123, WP 0289 00)
ECS Display/CAN-BUS (A34647.0200) (WP 0048
00-2)
Test Lead, Male (Item 124, WP 0289 00)
NOTE
Refer to WP 0004 00 for additional troubleshooting guidance, information, and illustrations that
locate critical components.
