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2015 AUDI Q7
3.0L Supercharged V6 (TFSI, 280 hp)•AWD•AUTOMATIC•gas
2 active safety recalls on this vehicle — view recalls
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Repairs0Labor487Torque2170Fluid10DTC1133Battery1Maintenance0Recalls2
U0171low severityNetwork

Lost Communication with Lane Departure Module

on 2015 Audi Q7 3.0L Supercharged V6 (TFSI, 280 hp) · AWD

What this code means

Cannot communicate with the lane departure warning or lane keeping assist module.

Symptoms

  • Lane departure system disabled
  • LDW warning light
  • Lane keeping assist not available
  • Camera error message

Common causes

  • Lane departure module failure
  • CAN bus wiring
  • Module power loss
  • Camera failure
  • Windshield calibration needed

Diagnostic steps

  1. Check lane departure module fuse
  2. Test power and ground
  3. Check CAN wiring
  4. Inspect windshield camera
  5. Check for calibration need after windshield replacement

Repair notes

Check fuses. System often needs recalibration after windshield replacement.

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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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