P1780 Diagnostic Trouble Code Discussion for March 2008
Park/Neutral Position Switch Circuit Malfunction
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| Help Request | Posted | |
| 2000 Saturn LW2 3.0L MIL Lamp on VIN: 1G8JW82ROY P1780: Torque Reduction Request Failed. came in for no ac---scanned--found 5.1 volts on ac pressure indicating ecm shut ac off for hi pressure problem. Check all three wires at pressure sensor and found 5 volts on black wire to ecm. Grounded wire--ac works. originally had 10 codes, mostly, I believe... |
March 24, 2008 |
