DIAGNOSTIC DISPLAY CODE DEFINITIONS
Open Load: There is a break in the wires that lead to the item listed in the chart
(injector, fuel pump, etc.), or the item has failed.
Short-to-Ground: The wire is shorted to ground between the electronic control
unit and the item listed in the chart.
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
Engine Control Module
Accelerator Position
2
Data Erratic, Intermittent Or
Incorrect
29 2
Voltage Above Normal, Or
Shorted To High Source
29 3
Voltage Below Normal, Or
Shorted To Low Source
29 4
Throttle Position
Sensor 1
Data Valid But Above Normal
Operational Range - Most
Severe Level
51 0
Data Valid But Below Normal
Operational Range - Most
Severe Level
51 1
Data Erratic, Intermittent Or
Incorrect
51 2
Voltage Above Normal, Or
Shorted To High Source
51 3
Voltage Below Normal, Or
Shorted To Low Source
51 4
Abnormal Rate Of Change 51 10
Out Of Calibration 51 13
58
FEATURES AND CONTROLS
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