Back to 2011 Audi A8
Help
2011 AUDI A8
3.0L Supercharged V6•AWD•AUTOMATIC•gas•CGWA•supercharged
1 active safety recall on this vehicle — view recalls
Founding sponsor spot is openYour name on every procedure for this vehicle, permanently.Sponsor — $99 →
Repairs0Labor491Torque4268Fluid9DTC1115Battery1Maintenance0Recalls1
U0157low severityNetwork

Lost Communication with Digital Compass Module

on 2011 Audi A8 3.0L Supercharged V6 · AWD

What this code means

Cannot communicate with the digital compass module, often integrated in the rearview mirror or overhead console.

Symptoms

  • Compass display blank
  • Navigation heading unavailable
  • Compass reading stuck
  • Overhead console display off

Common causes

  • Compass module failure
  • Wiring issue
  • Module power loss
  • Fuse blown
  • Magnetic interference

Diagnostic steps

  1. Check compass module power
  2. Test wiring to module
  3. Check for magnetic interference sources
  4. Test module directly

Repair notes

Check mirror or overhead console wiring. Compass may need calibration after repair.

🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
Budget handheld~$40
ANCEL AD410 →
No-phone-needed handheld — reads, clears, live data, freeze frame.
✓ ANCEL official store
Serious DIY~$100
BlueDriver Pro →
Enhanced codes (ABS, airbag, TPMS) plus repair reports.
SHOP FAVORITE
Shop-grade tablet~$300
Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
✓ Autel official store
Pro diagnostics$1,500+
Autel MaxiSys MS906 Pro →
Full-system pro platform — topology mapping, ECU coding, the works.
✓ Autel official store
As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.

Other Network codes on this vehicle

🔌 Need this data in your app? It's all in the free API →
🔧 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.
Stuck on this repair? Take it to The Diag Desk — ask a master tech about this exact car → real human answer within 24h, never AI
Share:XRedditFBWhatsAppThreadsEmail
⚠ STILL BEHIND THE PAYWALL
The 2011 Audi A8 repair data is incomplete because no one has sponsored it yet. For $99, we generate the full step-by-step procedures, then fact-check them with a second AI pass and your expert review. Your name on every procedure, permanently.
The same data would cost $169/mo from Mitchell1 or $30/year from ALLDATAdiy — and you'd be renting access, not freeing it. Sponsor once, free forever.
Sponsor the Audi A8 — $99 →
Building an app?
Free API access to all this data — 10 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 →