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Home >> Infiniti >> 2011 >> M56 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1220 To P2A03 (VK56VD) >> DTC P1226, P1235: TP Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC DETECTION LOGIC CHART

DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
P1226 CTP LEARNING-B1 [Closed throttle position learning performance (bank 1)] Closed throttle position learning is not performed successfully, repeatedly.
  • Electric throttle control actuator (TP sensor 1 and 2)
P1235 CTP LEARNING-B2 [Closed throttle position learning performance (bank 2)]