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Home >> Infiniti >> 2011 >> QX56 RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1225 Through P2A03 >> DTC P1226: TP Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

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)