P1127
ETCS Actuator Power Source Circuit
2003-2008 Toyota Matrix 1.8L I4
High SeverityPowertrain
Description
The power source voltage for the ETCS actuator is abnormal.
Symptoms
- CEL
- Reduced power
- Throttle unresponsive
- Limp mode
Common Causes
- Low battery voltage
- Poor ground
- Damaged wiring
- Blown ETCS fuse
Diagnostic Steps
- Check battery voltage
- Test ground connections
- Inspect fuse
- Check wiring
Repair Notes
Repair power supply or replace fuse.
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
P1127 on Other Vehicles
Common Questions
What does code P1127 mean on a 2003-2008 Toyota Matrix?
P1127 stands for "ETCS Actuator Power Source Circuit". The power source voltage for the ETCS actuator is abnormal.
What are the symptoms of P1127 on a Toyota Matrix?
Common symptoms of P1127 include: CEL, Reduced power, Throttle unresponsive, Limp mode.
What causes P1127 on a 2003-2008 Toyota Matrix?
Common causes of P1127 include: Low battery voltage, Poor ground, Damaged wiring, Blown ETCS fuse.