DIAGNOSTIC CODES
COMPONENT CONDITION SPN FMI
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
Throttle Stuck
520194 7
Active Descent
Control System
Driver Circuit
Open/Grounded
520203 5
Driver Circuit Short to
B+
520203 3
Driver Circuit
Grounded
520203 4
Idle Speed Speed Too High
520211 3
Speed Too Low
520211 4
Right Hand Control Momentary Driveline
Mode Switch Press
520468 31
62
FEATURES AND CONTROLS
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