OBD Guide
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B1151

Left Side Curtain Air Bag Module Short

B1151 is an OBD-II diagnostic trouble code meaning: Left Side Curtain Air Bag Module Short. Common causes: wiring harness damage, contact corrosion. Estimated repair cost: $56–333.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–333 (est.)

Symptoms

  • The airbag indicator on the instrument panel is on
  • Security error message on display
  • The side curtain may not deploy in the event of a side impact.

Causes

  • Wiring harness damage
  • Contact corrosion
  • Curtain module malfunction
  • Problems with the SRS control unit

How to Fix

  1. Diagnostics with a scanner to confirm the code
  2. Visual inspection of the wiring harness and contacts
  3. Checking the resistance in the curtain circuit
  4. Replacing damaged wires or curtain module
  5. Cleaning terminals from corrosion
  6. Resetting the error and testing the system

Related codes

B1152B1150B1000

FAQ

What does the B1151 code mean?

B1151 is an OBD-II diagnostic trouble code that indicates: Left Side Curtain Air Bag Module Short

What causes a B1151 error code?

The most common causes of B1151 include: Wiring harness damage; Contact corrosion; Curtain module malfunction; Problems with the SRS control unit.

How do I fix a B1151 diagnostic trouble code?

To fix B1151: Diagnostics with a scanner to confirm the code. Visual inspection of the wiring harness and contacts. Checking the resistance in the curtain circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1151?

Do not drive — repair immediately

How much does it cost to fix B1151?

The estimated repair cost for B1151 is $56–333. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat