Back to 2012 Toyota 4Runner

2012 TOYOTA 4RUNNER

4.0L V64WDAUTOMATICgas
8 active safety recalls on this vehicle — view recalls
Repairs0Labor595Torque3772Fluid9DTC921Battery1Maintenance0Recalls8
P0616moderate severityPowertrain

Starter Motor Relay Circuit Low

on 2012 Toyota 4Runner 4.0L V6 · 4WD

What this code means

Low voltage in starter relay circuit.

Symptoms

  • No crank
  • Weak cranking

Common causes

  • Weak battery
  • Corroded connection
  • Wiring issue

Diagnostic steps

  1. Test voltage at relay
  2. Check connections
  3. Test battery

Repair notes

Repair wiring or replace relay.

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 →