TM 10-3930-675-20-1
0011 00-2
TOPHANDLER ELECTRONIC CONTROL UNIT (ECU) (791) TROUBLESHOOTING - CONTINUED
0011 00
Table 3. Error Code 221- Internal Communication Failure, Connector 2 Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 221 - Internal Communication
Failure, Connector 2
Place ignition switch in OFF
position for 30 seconds and then
back in ON position.
Replace ECU 791 if error code
is still present (WP 0076 00).
Table 4. Error Code 250 - Internal Communication Failure, Connector 3 Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 250 - Internal Communication
Failure, Connector 3
Place ignition switch in OFF
position for 30 seconds and then
back in ON position.
Replace ECU 791 if error code
is still present (WP 0076 00).
Table 5. Error Code 251- Internal Communication Failure, Connector 3 Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 251 - Internal Communication
Failure, Connector 3
Place ignition switch in OFF
position for 30 seconds and then
back in ON position.
Replace ECU 791 if error code
is still present (WP 0076 00).
