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Infiniti
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2012
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QX56 AWD
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System - DTCS P0500 To P1424
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DTC P1226: TP Sensor
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DTC Logic
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DTC Detection Logic
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DTC Detection Logic
DTC No.
Trouble diagnosis name (Trouble diagnosis content)
DTC detecting condition
Possible cause
P1226
CTP LEARNING-B1
(Closed throttle position learning performance)
Closed throttle position learning is not performed successfully, repeatedly.
Electric throttle control actuator (TP sensor 1 and 2)