Code : P0220
Description : P0220 2006 TOYOTA HIGHLANDER Throttle/Pedal Position Sensor/Switch ‘B’ Circuit
Possible causes :
– Throttle Position Sensor (TPS) harness is open or shorted
– Throttle Position Sensor (TPS) circuit poor electrical connection
– Faulty Throttle Position Sensor (TPS)
– Fault Electric Throttle Control Actuator (or Throttle Body Motor)
– Accelerator Pedal Posit
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.

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