TM 9-6115-730-24
0009
TROUBLESHOOTING USING GSC FAULT CODES - Continued
NOTE
The following fault code means the GSC is unable to measure the AC voltage and AC current.
The engine remains able to start and run. This diagnostic code will be shown even when ENGINE
CONTROL switch is set to OFF/RESET.
SYMPTOM
53.
CID 500 FMI 12
MALFUNCTION
GSC.
FMI 12 - Failed Component.
CORRECTIVE ACTION
STEP 1.
Check fuses A5F1, A5F2, and A5F3. Replace if bad.
STEP 2.
Verify the problem has been resolved.
STEP 3.
Verify the wiring on the A5 module (WP 0088).
STEP 4.
Verify the problem has been resolved.
STEP 5.
Verify connector A5-P1 is not loose or damaged (WP 0088).
STEP 6.
Verify the problem has been resolved.
STEP 7.
Verify setpoints (WP 0083, Table 8).
STEP 8.
Verify the problem has been resolved.
STEP 9.
Check all GSC fuses (FO-4, Sheets 3 and 5). If GSC fuses are ok, replace GSC
STEP 10.
Verify the problem has been resolved.
0009-45
