Back to 2013 Audi S5

2013 AUDI S5

3.0L Supercharged V6AWDAUTOMATICgassupercharged
Repairs0Labor497Torque3689Fluid9DTC905Battery0Maintenance0Recalls0
B0041critical severityBody

Side Crash Sensor Communication Error - Left

on 2013 Audi S5 3.0L Supercharged V6 · AWD

What this code means

Communication loss between the left side crash sensor and the airbag control module.

Symptoms

  • Airbag warning light on
  • SRS code stored
  • Left side airbag protection degraded

Common causes

  • Damaged wiring in door or B-pillar
  • Faulty sensor
  • ACM bus fault
  • Door harness disconnect

Diagnostic steps

  1. Scan SRS codes
  2. Check B-pillar connector
  3. Inspect door-to-body wiring
  4. Test sensor bus communication

Repair notes

Repair wiring or replace left side crash sensor.

Other Body codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →