FixVault

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 AND POSSIBLE CAUSES REFERENCE TABLE

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1239 Throttle position (TP) 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 (TP) sensor (bank 1) circuit range/performance