OBD Guide
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U1A08

Telematics Antenna Short

U1A08 is an OBD-II diagnostic trouble code meaning: Telematics Antenna Short. Common causes: damage to the antenna wiring harness, short circuit in the antenna. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Lack of connection with telematics services
  • Error message on display
  • Emergency call functions do not work
  • Navigation problems
  • Check Engine light comes on

Causes

  • Damage to the antenna wiring harness
  • Short circuit in the antenna
  • Problems with antenna connectors
  • Telematics module malfunction
  • Antenna damage (mechanical or corrosion)

How to Fix

  1. Check the integrity of the antenna wiring harness
  2. Inspect the antenna connectors for damage
  3. Check antenna resistance
  4. Replace the antenna if necessary
  5. Check the operation of the telematics module

Related codes

U1A00U1A0FU1A10

FAQ

What does the U1A08 code mean?

U1A08 is an OBD-II diagnostic trouble code that indicates: Telematics Antenna Short

What causes a U1A08 error code?

The most common causes of U1A08 include: Damage to the antenna wiring harness; Short circuit in the antenna; Problems with antenna connectors; Telematics module malfunction.

How do I fix a U1A08 diagnostic trouble code?

To fix U1A08: Check the integrity of the antenna wiring harness. Inspect the antenna connectors for damage. Check antenna resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1A08?

Yes, but get it checked soon

How much does it cost to fix U1A08?

The estimated repair cost for U1A08 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat