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Engine-Codes.com | All About OBDII Engine Codes

P1780 Toyota

P1780 Toyota - Park/Neutral Position Switch Malfunction

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P1780 Toyota Comments |  Add Comment
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
Help with Possible causes What does this mean?
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1780 Toyota Description

The Park/Neutral Position (PNP) switch detects the shift lever position and sends signals to the ECM. The ECM receives signals (NSW, R, 2 and L) from the park/neutral position switch. When the signal is not sent to the ECM from the park/neutral position switch, the ECM judges that the shift lever is in D position.

P1780 Toyota Information for specific Toyota models
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