P1780 – 2001_TOYOTA_ECHO

Code : P1780
Make : 2001_TOYOTA_ECHO
Description : P1780 2001 TOYOTA ECHO Park/Neutral Position Switch Malfunction
Possible causes :
– Faulty Park/Neutral Position (PNP) switch
– Park/Neutral Position (PNP) switch harness is open or shorted
– Park/Neutral Position (PNP) switch circuit poor electrical connection
– Misadjusted Park/Neutral Position (PNP) switch
– Faulty Engine Control Module (
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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