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Home >> Infiniti >> 2008 >> G35 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS P0850 Through P2A03 >> DTC P1239, P2135: TP Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

NOTE: If DTC P1239 or P2135 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to "DTC LOGIC ".
DTC DETECTION CONDITION CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1239 Throttle position sensor (bank 2) circuit range/performance Rationally incorrect voltage is sent to ECM compared with the signals from TP sensor 1 and TP sensor 2.
  • Harness or connector (TP sensor 1 and 2 circuit is open or shorted.)
  • Electric throttle control actuator (TP sensor 1 and 2)
P2135 Throttle position sensor (bank 1) circuit range/performance