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2010 CADILLAC CTS
3.0L V6•AWD•AUTOMATIC•gas
3 active safety recalls on this vehicle — view recalls
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Repairs0Labor991Torque6448Fluid18DTC2446Battery2Maintenance0Recalls3
B1011low severityBody

TPMS Receiver Antenna Circuit

on 2010 Cadillac CTS 3.0L V6 · AWD

What this code means

Malfunction in the TPMS receiver antenna circuit. The antenna receives low-power RF signals from wheel-mounted sensors.

Symptoms

  • All TPMS sensors not reading
  • TPMS system fault
  • Receiver module reports no sensor signals

Common causes

  • Damaged TPMS antenna
  • Antenna cable disconnected
  • Antenna corroded
  • Aftermarket modification covering antenna

Diagnostic steps

  1. Inspect antenna location and condition
  2. Check antenna cable connection
  3. Test antenna circuit
  4. Look for aftermarket modifications near antenna

Repair notes

Replace TPMS antenna or reconnect cable.

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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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