Back to 2005 Toyota 4Runner

2005 TOYOTA 4RUNNER

4.0L V6RWDAUTOMATICgas
5 active safety recalls on this vehicle — view recalls
Repairs0Labor494Torque3816Fluid7DTC824Battery1Maintenance0Recalls5
P1127high severityPowertrain

ETCS Actuator Power Source Circuit

on 2005 Toyota 4Runner 4.0L V6 · RWD

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

  1. Check battery voltage
  2. Test ground connections
  3. Inspect fuse
  4. Check wiring

Repair notes

Repair power supply or replace fuse.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →