P1127high severityPowertrain
ETCS Actuator Power Source Circuit
on 1997 Toyota 4Runner 2.7L I4 · 4WD
What this code means
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 on this vehicle
P0001
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P0002
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P0003
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P0004
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P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1