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Home >> Infiniti >> 2012 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 150 (Engine Control System - DTCS P1087 To P2542) >> DTC P1225, P1234: TP Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

WARNING: This page is about a different car, the 2013 Infiniti M56. However, it is still accessible from the selected car via links, so may be relevant.
DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
P1225 CTP LEARNING-B1 [Closed throttle position learning performance (bank 1)] Closed throttle position learning value is excessively low.
  • Electric throttle control actuator (TP sensor 1 and 2)
P1234 CTP LEARNING-B2 [Closed throttle position learning performance (bank 2)]