Problem: The engine would intermittently
crank over but not start. Once started, it would also stall.
Details: The technician retrieved one
diagnostic trouble code: B1517 5A - Battery
Voltage Plausibility Failure (stored in BCM). Next, he tried to
communicate with the Body Control Module. There was good
communication, so he decided to check all the main fuse
connections in the under-hood fuse box. The fuses were in perfect
shape so he inspected the fuse strip connections at the battery.
When he wiggled the positive cable connection at the main fuse
buss, the engine died. When he checked the rest of the nuts on
the fuse bus, he found another one loose.
Confirmed Repair: He torqued all the fuse
buss nuts to specifications and the problem was solved.