TM 10-3930-675-24-1
TOPHANDLER ELECTRONIC CONTROL UNIT (ECU) (791) TROUBLESHOOTING - CONTINUED
0012 00
Table 3. Error Code 221 - Internal Communications Failure, Connector 2 Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 221 - Internal Communication Place ignition switch in OFF
Replace ECU 791 if error code is
Failure, Connector 2.
position for 30 seconds and then
still present (WP 0080 00).
back in ON position.
Table 4. Error Code 250 - Internal Communication Failure, Connector 3 Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 250 - Internal Communication Place ignition switch in OFF
Replace ECU 791 if error code is
still present (WP 0080 00).
Failure, Connector 3.
position for 30 seconds and then
back in ON position.
Table 5. Error Code 251 - Internal Communication Failure, Connector 3 Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 251 - Internal Communication Place ignition switch in OFF
Replace ECU 791 if error code is
still present (WP 0080 00).
Failure, Connector 3.
position for 30 seconds and then
back in ON position.
0012 00-2