OBD Guide
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B2027

Right Side Over-Current Malfunction

B2027 is an OBD-II diagnostic trouble code meaning: Right Side Over-Current Malfunction. Common causes: short circuit in the right airbag wiring harness, right airbag squib malfunction. Estimated repair cost: $56–222.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–222 (est.)

Symptoms

  • SRS/airbag indicator is on
  • Security error message on dashboard
  • Right airbag inactive

Causes

  • Short circuit in the right airbag wiring harness
  • Right airbag squib malfunction
  • Damage to SRS system connectors
  • Problems with the SRS control unit
  • Corroded or damaged wires

How to Fix

  1. Diagnose the SRS system using a scanner
  2. Check the resistance of the right airbag circuit
  3. Inspect the wiring harness for damage
  4. Check connectors and contacts for corrosion
  5. If necessary, replace the squib or wiring harness.
  6. Reset errors and test the system

Related codes

B2025B2026B2028

FAQ

What does the B2027 code mean?

B2027 is an OBD-II diagnostic trouble code that indicates: Right Side Over-Current Malfunction

What causes a B2027 error code?

The most common causes of B2027 include: Short circuit in the right airbag wiring harness; Right airbag squib malfunction; Damage to SRS system connectors; Problems with the SRS control unit.

How do I fix a B2027 diagnostic trouble code?

To fix B2027: Diagnose the SRS system using a scanner. Check the resistance of the right airbag circuit. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2027?

Do not drive — repair immediately

How much does it cost to fix B2027?

The estimated repair cost for B2027 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat