C0200high severityChassis

Electric Power Steering Motor Circuit

on 2012 Toyota 4Runner 4.0L V6 · 4WD

What this code means

General malfunction in the electric power steering assist motor circuit.

Symptoms

  • Power steering warning light
  • Heavy steering
  • Steering assist intermittent
  • EPS warning message on dash

Common causes

  • EPS motor failure
  • Motor connector corrosion
  • Wiring harness damage
  • EPS control module failure

Diagnostic steps

  1. Check EPS motor connector for corrosion
  2. Test motor winding resistance
  3. Inspect wiring harness
  4. Check module power supply and ground
  5. Command motor with scan tool if supported

Repair notes

Replace EPS motor or EPS assembly. Some vehicles have motor integrated into steering rack or column.

Other Chassis codes on this vehicle

⚠ STILL BEHIND THE PAYWALL
The 2012 Toyota 4Runner repair data is incomplete because no one has sponsored it yet. For $99, we generate the full step-by-step procedures, then fact-check them with a second AI pass and your expert review. Your name on every procedure, permanently.
The same data would cost $169/mo from Mitchell1 or $30/year from ALLDATAdiy — and you'd be renting access, not freeing it. Sponsor once, free forever.
Sponsor the Toyota 4Runner — $99 →
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 →