Back to 2003 Toyota Avalon

2003 TOYOTA AVALON

3.0L V6FWDAUTOMATICgas
2 active safety recalls on this vehicle — view recalls
Repairs0Labor470Torque2460Fluid6DTC734Battery1Maintenance0Recalls2
B0111low severityBody

Keyless Entry Receiver Circuit

on 2003 Toyota Avalon 3.0L V6 · FWD

What this code means

Malfunction in the keyless entry receiver module or its circuit. The receiver processes RF signals from the key fob.

Symptoms

  • Remote lock/unlock not working
  • No response from any key fob
  • Physical key still works

Common causes

  • Faulty receiver module
  • Antenna disconnected
  • Wiring damage to receiver
  • Receiver power supply issue

Diagnostic steps

  1. Test receiver power and ground
  2. Check antenna connection
  3. Test with key fob held near receiver
  4. Scan for BCM codes
  5. Swap receiver if possible

Repair notes

Replace keyless entry receiver module or repair antenna connection.

Other Body codes on this vehicle

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