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Home >> Infiniti >> 2015 >> QX60 Base, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostic Trouble Codes (DTCS) P014C-P1550) (Except Hybrid) >> DTC/Circuit Diagnosis >> DTC P1225: Closed Throttle Position Learning Performance >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC No. CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition Possible cause
P1225 CTP LEARNING-B1
(Closed throttle position learning performance)
Closed throttle position learning value is excessively low.
  • Electric throttle control actuator

    (TP sensor 1 and 2)