P1127
ETCS Actuator Power Source Circuit
2006-2013 Lexus IS 250 2.5L V6
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
- 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
P1127 on Other Vehicles
Common Questions
What does code P1127 mean on a 2006-2013 Lexus IS 250?
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 Lexus IS 250?
Common symptoms of P1127 include: CEL, Reduced power, Throttle unresponsive, Limp mode.
What causes P1127 on a 2006-2013 Lexus IS 250?
Common causes of P1127 include: Low battery voltage, Poor ground, Damaged wiring, Blown ETCS fuse.