OBD Guide

B2A08

Telematics SOS Button Circuit

B2A08 is an OBD-II diagnostic trouble code meaning: Telematics SOS Button Circuit. Common causes: open circuit of the sos button, poor contact in connectors. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • SOS button not working
  • Malfunction indicator light on the instrument panel
  • Lack of communication with emergency services via telematics system

Causes

  • Open circuit of the SOS button
  • Poor contact in connectors
  • Malfunction of the SOS button itself
  • Wiring Harness Problems
  • Telematics module malfunction

How to Fix

  1. Check the SOS button circuit for an open circuit
  2. Inspect and clean the contacts in the connectors
  3. Check the functionality of the SOS button
  4. If necessary, replace the button or wiring harness
  5. Check the telematics module for errors

Related codes

FAQ

What does the B2A08 code mean?

B2A08 is an OBD-II diagnostic trouble code that indicates: Telematics SOS Button Circuit

What causes a B2A08 error code?

The most common causes of B2A08 include: Open circuit of the SOS button; Poor contact in connectors; Malfunction of the SOS button itself; Wiring Harness Problems.

How do I fix a B2A08 diagnostic trouble code?

To fix B2A08: Check the SOS button circuit for an open circuit. Inspect and clean the contacts in the connectors. Check the functionality of the SOS button. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2A08?

Limited driving only, diagnose soon

How much does it cost to fix B2A08?

The estimated repair cost for B2A08 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat