OBD Guide
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B1837

Short to Ground in Curtain Shield Squib Left Circuit

B1837 is an OBD-II diagnostic trouble code meaning: Short to Ground in Curtain Shield Squib Left Circuit. Common causes: wiring harness damage, contact corrosion. Estimated repair cost: $56–167.

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

Symptoms

  • SRS/airbag indicator is on
  • Lack of response from curtain airbags in an accident
  • Error B1837 in diagnostic memory

Causes

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

How to Fix

  1. Check the integrity of the wiring harness
  2. Inspect contacts for corrosion
  3. Ring the squib chain
  4. If necessary, replace the squib or wiring harness.
  5. Reset the error and check the system

Related codes

B1838B1839B1840

FAQ

What does the B1837 code mean?

B1837 is an OBD-II diagnostic trouble code that indicates: Short to Ground in Curtain Shield Squib Left Circuit

What causes a B1837 error code?

The most common causes of B1837 include: Wiring harness damage; Contact corrosion; Squib malfunction; Problems with the SRS control unit.

How do I fix a B1837 diagnostic trouble code?

To fix B1837: Check the integrity of the wiring harness. Inspect contacts for corrosion. Ring the squib chain. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1837?

Do not drive — repair immediately

How much does it cost to fix B1837?

The estimated repair cost for B1837 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat