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2003 CADILLAC CTS
3.2L V6•RWD•AUTOMATIC•gas
4 active safety recalls on this vehicle — view recalls
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Repairs0Labor492Torque3123Fluid8DTC1044Battery1Maintenance0Recalls4
B0110low severityBody

Keyless Entry System General Fault

on 2003 Cadillac CTS 3.2L V6 · RWD

What this code means

A general malfunction in the keyless entry system. The system is not responding to remote key fob commands.

Symptoms

  • Remote lock/unlock not working
  • Key fob buttons unresponsive
  • Must use physical key
  • All remote functions lost

Common causes

  • Dead key fob battery
  • Faulty keyless entry receiver
  • Antenna issue
  • BCM keyless entry module failure
  • RF interference

Diagnostic steps

  1. Replace key fob battery
  2. Test with second key fob
  3. Check keyless entry antenna
  4. Scan BCM for related codes
  5. Check for RF interference sources

Repair notes

Replace key fob battery first. If issue persists, check receiver module and antenna.

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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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