FixVault

DTC Detection Logic

DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
P1290 ETC MOT PWR-B2 [Throttle control motor relay circuit open (bank 2)] ECM detects a voltage of power source for throttle control motor is excessively low.
  • Harness or connectors (Throttle control motor relay circuit is (open)
  • Throttle control motor relay
P2100 ETC MOT PWR-B1 [Throttle control motor relay circuit open (bank 1)]
P2103 ETC MOT PWR (Throttle control motor relay circuit short) ECM detect the throttle control motor relay is stuck ON.
  • Harness or connectors (Throttle control motor relay circuit is shorted)
  • Throttle control motor relay