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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
B1000low severityBody

TPMS Sensor Circuit - Left Front

on 2010 Cadillac CTS 3.0L V6 · AWD

What this code means

Malfunction in the left front tire pressure monitoring sensor. The sensor is not transmitting or transmitting invalid data.

Symptoms

  • TPMS warning light on
  • Left front tire pressure not displayed
  • Tire pressure shows dashes
  • Low tire pressure warning may be false

Common causes

  • Dead TPMS sensor battery
  • Faulty TPMS sensor
  • Sensor damaged during tire service
  • Aftermarket wheel without sensor
  • Sensor not programmed to vehicle

Diagnostic steps

  1. Check if sensor is programmed to vehicle
  2. Trigger sensor with TPMS tool
  3. Check sensor battery status
  4. Inspect sensor for physical damage
  5. Verify sensor frequency matches vehicle

Repair notes

Replace TPMS sensor and program to vehicle. Ensure tire shop installs sensor during tire service.

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