OBD Guide
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C1668

Lock Holder Gap Detect

C1668 is an OBD-II diagnostic trouble code meaning: Lock Holder Gap Detect. Common causes: mechanical damage to the latch, wear of passive safety system components. Estimated repair cost: $56–167.

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

Symptoms

  • The passive safety system fault indicator is on
  • Airbag or pretensioner malfunction
  • Error message on the dashboard

Causes

  • Mechanical damage to the latch
  • Wear of passive safety system components
  • Incorrect installation of the airbag or pretensioner
  • Damage to the security system wiring harness

How to Fix

  1. Check the condition of the airbag latch and mechanism
  2. Replace damaged components
  3. Check wiring harness for damage
  4. Reset the error using a diagnostic scanner
  5. Carry out a passive safety system test

Related codes

B0001B0002B0100

FAQ

What does the C1668 code mean?

C1668 is an OBD-II diagnostic trouble code that indicates: Lock Holder Gap Detect

What causes a C1668 error code?

The most common causes of C1668 include: Mechanical damage to the latch; Wear of passive safety system components; Incorrect installation of the airbag or pretensioner; Damage to the security system wiring harness.

How do I fix a C1668 diagnostic trouble code?

To fix C1668: Check the condition of the airbag latch and mechanism. Replace damaged components. Check wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1668?

Do not drive — repair immediately

How much does it cost to fix C1668?

The estimated repair cost for C1668 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat