P1780 Diagnostic Trouble Code Discussion for August 2004
Park/Neutral Position Switch Circuit Malfunction
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| Help Request | Posted | |
| 1997 Geo Prizm LSi 1.8L MIL Lamp on VIN: 1Y1SK5283V P1780: Park Neutral Position Switch Circuit Malfunction. found code 1780 comes back every time vehicle is placed from park to any gear and back. new switch has same thing. found 12 volts on pcm connector pins for reverse, low, and 2nd gear, but not for park or neutral.also new wire from switch to pcm, has same probl... |
August 19, 2004 |
