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2009 AUDI A6
3.0L Supercharged V6•AWD•AUTOMATIC•gas•CCAA•supercharged
4 active safety recalls on this vehicle — view recalls
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Repairs0Labor507Torque2228Fluid9DTC1087Battery1Maintenance0Recalls4
U0428low severityNetwork

Invalid Data Received from TPMS Module

on 2009 Audi A6 3.0L Supercharged V6 · AWD

What this code means

Data from the Tire Pressure Monitoring System is invalid or inconsistent.

Symptoms

  • TPMS warning light
  • Incorrect tire pressure readings
  • TPMS malfunction indicator
  • Pressures shown as dashes

Common causes

  • TPMS sensor battery dead
  • Sensor ID mismatch
  • CAN bus noise
  • TPMS module calibration lost
  • Aftermarket wheels blocking signal

Diagnostic steps

  1. Check TPMS sensor signals with tool
  2. Relearn TPMS sensor IDs
  3. Check CAN bus quality
  4. Verify correct sensors for vehicle
  5. Check for wheel well interference

Repair notes

Relearn TPMS sensor IDs. Replace sensors with dead batteries.

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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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