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Shorted Load:The wires leading to the item listed in the chart are shorted
together, or the item has shorted internally.
Short-to-Battery:The wire leading from the item listed in the chart to the
electronic control unit is shorted to a wire at battery voltage.
DIAGNOSTIC CODES
COMPONENT CONDITION SPN FMI
Throttle Position
Sensor
Voltage Too High
51 3
Voltage Too Low
51 4
Engine Temperature
Sensor
Voltage Too High
110 3
Voltage Too Low
110 4
Temperature Too High
110 16
Engine Overheat
Shutdown
110 0
Intake Air
Temperature Sensor
Voltage Too High
105 3
Voltage Too Low
105 4
Manifold Absolute
Pressure Sensor
Voltage Too High
102 3
Voltage Too Low
102 4
Signal Out of Range
102 2
Crankshaft Position
Sensor
Circuit Fault
636 8
Plausibility Fault
636 2
Vehicle Speed Signal Speed Too High
84 8
Plausibility Fault
84 2
Gear Sensor Signal Voltage Too Low
523 4
Voltage Too Low
523 3
Signal Fault
523 2
Injector 1 (MAG) (SDI
Part Load)
Driver Circuit Open/
Grounded
651 5
Driver Circuit Short to
B+
651 3
Driver Circuit
Grounded
651 4
71
FEATURES AND CONTROLS
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