OBD Guide
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U2172

Lost Communication With Digital Radio Receiver

U2172 is an OBD-II diagnostic trouble code meaning: Lost Communication With Digital Radio Receiver. Common causes: broken or damaged wires, poor contact in the radio connector. Estimated repair cost: $22–167.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–167 (est.)

Symptoms

  • Digital radio doesn't work
  • No sound through the multimedia system
  • Error message on display
  • Bluetooth connection problems
  • Infotainment system malfunctions

Causes

  • Broken or damaged wires
  • Poor contact in the radio connector
  • Digital radio malfunction
  • Software problems
  • Blown fuse

How to Fix

  1. Check fuses associated with the multimedia system
  2. Inspect the connectors and wiring of the radio receiver
  3. Check the power and ground of the radio receiver
  4. Flash or update software
  5. Replace digital radio if necessary

Related codes

U2100U2101U2150

FAQ

What does the U2172 code mean?

U2172 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Digital Radio Receiver

What causes a U2172 error code?

The most common causes of U2172 include: Broken or damaged wires; Poor contact in the radio connector; Digital radio malfunction; Software problems.

How do I fix a U2172 diagnostic trouble code?

To fix U2172: Check fuses associated with the multimedia system. Inspect the connectors and wiring of the radio receiver. Check the power and ground of the radio receiver. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U2172?

Yes, but get it checked soon

How much does it cost to fix U2172?

The estimated repair cost for U2172 is $22–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat