U2001: Audio Tape Deck Unit is Not Responding

LowNetwork/CommunicationNetwork Communication

What does U2001 mean?

U2001 is a diagnostic trouble code indicating "Audio Tape Deck Unit is Not Responding". This code relates to your vehicle's network communication and should be diagnosed to determine the root cause. The severity level helps indicate how urgently this should be addressed.

Symptoms you may notice

  • Check engine light (MIL) illuminated on dashboard
  • Possible issues with network communication operation
  • Vehicle may enter reduced power mode (limp mode)

Estimated repair cost

Typical range in Australia (parts + labour)

$50 – $300 AUD

Common causes

  • Faulty network communication component
  • Wiring or connector issue in the related circuit
  • Failed sensor providing incorrect readings
  • Software/calibration issue requiring ECU update
  • Related component causing secondary fault

What should you do?

This code sits in the climate, audio or convenience side of the car. It does not affect how the car drives or stops. Sort it at your next service unless it is bothering you enough to sort sooner.

Get a diagnosis for YOUR car

Code U2001 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.

Download on iOSGet on AndroidUse on Web

Related codes

U2000Audio Rear Control Unit is Not Responding
U2002Audio Bezel is Not Responding
U2003Audio Compact Disk / Disk Jockey Unit is Not Responding
U2004Audio Steering Wheel Control Unit is Not Responding