User's Manual

Fault Isolation Procedures
Service Procedure
Fault
Codes
Hand-Held Codes
Description Type of Code Driving TechniqueSID FMI
31 250 2 J-1587 Data Link Signal System Key on. If the fault is present, the
system should automatically detect the
problem and set the code. If the fault
is not present at key on, operate the
vehicle and attempt to duplicate the
driving conditions that triggered the
fault code. Possible triggers include
heat, vibration, and varying levels of
throttle demand. It may take up to 75
seconds to set this fault.
33 248 12 VBUS Component Key on. If the fault is present, the
system should automatically detect the
problem and set the code. If the fault
is not present at key on, operate the
vehicle and attempt to duplicate the
driving conditions that triggered the
fault code. Possible triggers include
heat, vibration, and varying levels of
throttle demand. It may take up to 75
seconds to set this fault.
41 No Fault or End of Fault
Codes
1-6