TM 10-3930-675-20-1
0014 00-1
STEERING ECU (792), TRANSMISSION ECU (793), AND ENGINE ECU (794) TROUBLESHOOTING
0014 00
THIS WORK PACKAGE COVERS
Error Code 300 - Steering ECU (792) Hardware Failure
Error Code 841 - Transmission ECU (793) Memory
Failure
Error Code 843 - Application Error Failure
Error Code 1111 - Engine ECU (794) Memory Failure
Error Code 1341 - Engine ECU (794) Loss of Data Fail-
ure
Error Code 1343 - Engine ECU (794) Internal Commu-
nication Failure
Error Code 1346 - Engine ECU (794) Software Failure
INITIAL SETUP
References
TM 10-3930-675-10
Tools and Special Tools
Test lead, male (Item 51, WP 0204 00)
NOTE
•
Refer to WP 0004 00 for additional troubleshooting guidance, information, and illustrations
that locate critical components.
•
Refer also to illustration at end of work package for component location.
Table 1. Error Code 300 - Steering ECU (792) Hardware Failure Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 300 - Steering ECU (792) Hardware
Failure
Place ignition switch in OFF
position for 30 seconds and then
back in ON position.
Replace steering ECU (792) if
error code is still present (WP
0079 00).
Table 2. Error Code 841 - Transmission ECU (793) Memory Failure Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 841 - Transmission ECU (793)
Memory Failure
Place ignition switch in OFF
position for 30 seconds and then
back in ON position.
Replace
transmission
ECU
(793) if error code is still present
(WP 0079 00).
