Invalid Data Received From Hands-Free Communication Module
The U0444 code means the vehicle's onboard diagnostic system has detected: Invalid Data Received From Hands-Free Communication Module. This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- easy
- Estimated cost
- $100 - $500 (parts and labor)
Network codes mean modules are not communicating. You need a scanner that reads all systems to find the problem.
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Common Symptoms
- Bluetooth calls not working
- Voice commands not recognized
- Microphone not picking up voice
- Phone not connecting to vehicle
- Call audio quality poor
Probable Causes (Ranked by Likelihood)
- Failed Bluetooth module Very High
- Microphone failure High
- CAN bus data error Moderate
- Phone software incompatibility Low
Step-by-Step Diagnostic Procedure
-
Delete and re-pair phone
-
Test microphone with different phone
-
Scan Bluetooth module for codes
-
Check for infotainment software updates
Frequently Asked Questions
Can I drive with U0444?
Yes. Use your phone directly or with a phone mount instead.
What causes U0444?
Often a phone pairing issue. Delete the phone and re-pair it first.
How much does U0444 cost to fix?
Typically $100 to $500. Re-pairing the phone often fixes it for free.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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