P1780
Park/Neutral Position Switch Malfunction
2012-2012 Lexus LFA 4.8L V10 🇩🇪
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
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P1780 on Other Vehicles
Common Questions
What does code P1780 mean on a 2012-2012 Lexus LFA?
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 Lexus LFA?
Common symptoms of P1780 include: CEL, No start in Park/Neutral, Wrong gear indication, Backup lights malfunction.
What causes P1780 on a 2012-2012 Lexus LFA?
Common causes of P1780 include: Faulty PNP switch, Misadjusted switch, Damaged wiring, Corroded contacts.