OBD Guide
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B2710

Open Key Pellet

B2710 is an OBD-II diagnostic trouble code meaning: Open Key Pellet. Common causes: broken wiring harness (harness), contact corrosion. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Airbag light is on
  • The passive safety system does not activate
  • Error persists after reset

Causes

  • Broken wiring harness (harness)
  • Contact corrosion
  • Key Pellet malfunction
  • Problems with the airbag module

How to Fix

  1. Check the integrity of the wiring harness (harness)
  2. Inspect contacts for corrosion
  3. Check key resistance (Key Pellet)
  4. Scan the airbag module for other errors

Related codes

B2711B2712B2713

FAQ

What does the B2710 code mean?

B2710 is an OBD-II diagnostic trouble code that indicates: Open Key Pellet

What causes a B2710 error code?

The most common causes of B2710 include: Broken wiring harness (harness); Contact corrosion; Key Pellet malfunction; Problems with the airbag module.

How do I fix a B2710 diagnostic trouble code?

To fix B2710: Check the integrity of the wiring harness (harness). Inspect contacts for corrosion. Check key resistance (Key Pellet). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2710?

Do not drive — repair immediately

How much does it cost to fix B2710?

The estimated repair cost for B2710 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat