P1780
Park/Neutral Position Switch Malfunction
2003-2008 Toyota Matrix 1.8L I4
High SeverityPowertrain
Description
The ECM/TCM detected a fault in the PNP switch signal.
Symptoms
- CEL
- No start in Park/Neutral
- Wrong gear indication
- Backup lights malfunction
Common Causes
- Faulty PNP switch
- Misadjusted switch
- Damaged wiring
- Corroded contacts
Diagnostic Steps
- Test switch operation
- Adjust switch
- Inspect wiring
- Check connector
Repair Notes
Replace or adjust PNP switch.
Other Powertrain Codes
- P0070Ambient Air Temperature Sensor Circuit
- P0071Ambient Air Temperature Sensor Range/Performance
- P0072Ambient Air Temperature Sensor Circuit Low
- P0073Ambient Air Temperature Sensor Circuit High
- P0115Engine Coolant Temperature (ECT) Sensor 1 Circuit
- P0116ECT Sensor 1 Circuit Range/Performance
- P0117ECT Sensor 1 Circuit Low Input
- P0118ECT Sensor 1 Circuit High Input
- P0119ECT Sensor 1 Circuit Intermittent
- P0125Insufficient Coolant Temperature for Closed Loop Fuel Control
P1780 on Other Vehicles
Common Questions
What does code P1780 mean on a 2003-2008 Toyota Matrix?
P1780 stands for "Park/Neutral Position Switch Malfunction". The ECM/TCM detected a fault in the PNP switch signal.
What are the symptoms of P1780 on a Toyota Matrix?
Common symptoms of P1780 include: CEL, No start in Park/Neutral, Wrong gear indication, Backup lights malfunction.
What causes P1780 on a 2003-2008 Toyota Matrix?
Common causes of P1780 include: Faulty PNP switch, Misadjusted switch, Damaged wiring, Corroded contacts.