OBD Guide

B10C9

Interior Front Antenna Circuit Intermittent

B10C9 is an OBD-II diagnostic trouble code meaning: Interior Front Antenna Circuit Intermittent. Common causes: damage to the antenna wiring harness, oxidation of contacts.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately

Symptoms

  • The security system malfunction indicator is on
  • Intermittent operation of the airbag system
  • Errors in the passive safety system

Causes

  • Damage to the antenna wiring harness
  • Oxidation of contacts
  • Antenna malfunction
  • Problems with the passive restraint system control unit

How to Fix

  1. Check the integrity of the antenna wiring harness
  2. Clean connector contacts
  3. Test the antenna with a multimeter
  4. If necessary, replace the antenna or wiring harness
  5. Reset the error with an OBD-II scanner

Related codes

FAQ

What does the B10C9 code mean?

B10C9 is an OBD-II diagnostic trouble code that indicates: Interior Front Antenna Circuit Intermittent

What causes a B10C9 error code?

The most common causes of B10C9 include: Damage to the antenna wiring harness; Oxidation of contacts; Antenna malfunction; Problems with the passive restraint system control unit.

How do I fix a B10C9 diagnostic trouble code?

To fix B10C9: Check the integrity of the antenna wiring harness. Clean connector contacts. Test the antenna with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B10C9?

Do not drive — repair immediately

See also: Russian version · NationStat