OBD Guide
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B2485

Wireless Communication Antenna Circuit

B2485 is an OBD-II diagnostic trouble code meaning: Wireless Communication Antenna Circuit. Common causes: broken or damaged antenna wires, poor contact in antenna connectors. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Remote engine start does not work
  • Problems recognizing the smart access key
  • Reducing the range of the key fob

Causes

  • Broken or damaged antenna wires
  • Poor contact in antenna connectors
  • Wireless antenna malfunction
  • Problems with the control module

How to Fix

  1. Check the integrity of the antenna wires
  2. Inspect antenna connectors for oxidation or damage
  3. Check the performance of the antenna
  4. Diagnose the control module

Related codes

B2486B2487B2488

FAQ

What does the B2485 code mean?

B2485 is an OBD-II diagnostic trouble code that indicates: Wireless Communication Antenna Circuit

What causes a B2485 error code?

The most common causes of B2485 include: Broken or damaged antenna wires; Poor contact in antenna connectors; Wireless antenna malfunction; Problems with the control module.

How do I fix a B2485 diagnostic trouble code?

To fix B2485: Check the integrity of the antenna wires. Inspect antenna connectors for oxidation or damage. Check the performance of the antenna. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2485?

Yes, but get it checked soon

How much does it cost to fix B2485?

The estimated repair cost for B2485 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat