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QX56 AWD
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Engine Control System - DTCS P0451 To P1217
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DTC P0506 ISC System
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On Board Diagnosis Logic
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On Board Diagnosis Logic
DTC DETECTING CONDITION
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P0506
0506
Idle speed control system RPM lower than expected
The idle speed is less than the target idle speed by 100 rpm or more.
Electric throttle control actuator
Intake air leak