P1520
Stop Lamp Switch Signal Malfunction
2009-2014 Toyota Matrix 2.4L I4
Moderate SeverityPowertrain
Description
The ECM detected a fault in the brake light switch signal circuit.
Symptoms
- CEL
- Cruise control inop
- Brake lights stuck
- Shift interlock issue
Common Causes
- Faulty stop lamp switch
- Misadjusted switch
- Damaged wiring
- Poor connection
Diagnostic Steps
- Test switch operation
- Adjust switch position
- Inspect wiring
- Check voltage
Repair Notes
Replace or adjust stop lamp 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
P1520 on Other Vehicles
Common Questions
What does code P1520 mean on a 2009-2014 Toyota Matrix?
P1520 stands for "Stop Lamp Switch Signal Malfunction". The ECM detected a fault in the brake light switch signal circuit.
What are the symptoms of P1520 on a Toyota Matrix?
Common symptoms of P1520 include: CEL, Cruise control inop, Brake lights stuck, Shift interlock issue.
What causes P1520 on a 2009-2014 Toyota Matrix?
Common causes of P1520 include: Faulty stop lamp switch, Misadjusted switch, Damaged wiring, Poor connection.