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DIAGNOSTIC CODES
COMPONENT CONDITION SPN FMI
Idle Air Control Driver Circuit
Open/Grounded
634 5
Driver Circuit Short
to B+
634 3
Driver Circuit
Grounded
634 4
Position Out of
Range
634 7
Starter Enable
Circuit
Driver Circuit
Open/Grounded
1321 5
Driver Circuit Short
to B+
1321 3
Driver Circuit
Grounded
1321 4
Chassis Relay Driver Circuit
Open/Grounded
520208 5
Driver Circuit Short
to B+
520208 3
Driver Circuit
Grounded
520208 4
All Wheel Drive
Control
Driver Circuit
Open/Grounded
520207 5
Driver Circuit Short
to B+
520207 3
Driver Circuit
Grounded
520207 4
System Power Voltage Too High
168 3
Voltage Too Low
168 4
Throttle Safety
Signal
Voltage Too High
520194 3
Voltage Too Low
520194 4
Signal Out of
Range
520194 2
191
TROUBLESHOOTING
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