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DIAGNOSTIC CODES
COMPONENT CONDITION SPN FMI
Voltage Below
Normal, Or Shorted
To Low Source
4
Abnormal Frequency
Or Pulse Width Or
Period
8
Condition Exists 31
Throttle Body Control
- Return Spring Check
Failed
Condition Exists
520278
31
Throttle Body Control
- Adaption Aborted
Condition Exists
520279
31
Throttle Body Control
- Limp Home Position
Check Failed
Condition Exists
520280
31
Throttle Body Control
- Mechanical Stop
Adaptation Failure
Condition Exists
520281
31
Throttle Body Control
- Repeated
Adaptation Failed
Condition Exists
520282
31
Throttle Body Control
Data Erratic,
Intermittent Or
Incorrect
520283
2
Voltage Above
Normal, Or Shorted
To High Source
3
Voltage Below
Normal, Or Shorted
To Low Source
4
Throttle Body Control
- Position Deviation
Fault
Condition Exists
520284
31
Brake Switch (1 or 2
Indeterminable)
Data Erratic,
Intermittent Or
Incorrect
520285
2
ECU Monitoring Error
Condition Exists
520286
31
ECU Monitoring Error
(Level 3)
Condition Exists
520287
31
188
TROUBLESHOOTING
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