OBD Guide
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C15A9

Lock Holder Deviation Detection

C15A9 is an OBD-II diagnostic trouble code meaning: Lock Holder Deviation Detection. Common causes: mechanical wear of the retainer, incorrect installation of components. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Unstable transmission operation
  • Difficulty shifting gears
  • Unusual noises when the mechanism locks

Causes

  • Mechanical wear of the retainer
  • Incorrect installation of components
  • Damage to the locking mechanism
  • Wiring Harness Problems

How to Fix

  1. Conduct system diagnostics
  2. Check the condition of the latch and locking mechanism
  3. Replace damaged components
  4. Check wiring harness connections
  5. Reset error and test drive

Related codes

C15A8C15AAP0700

FAQ

What does the C15A9 code mean?

C15A9 is an OBD-II diagnostic trouble code that indicates: Lock Holder Deviation Detection

What causes a C15A9 error code?

The most common causes of C15A9 include: Mechanical wear of the retainer; Incorrect installation of components; Damage to the locking mechanism; Wiring Harness Problems.

How do I fix a C15A9 diagnostic trouble code?

To fix C15A9: Conduct system diagnostics. Check the condition of the latch and locking mechanism. Replace damaged components. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C15A9?

Limited driving only, diagnose soon

How much does it cost to fix C15A9?

The estimated repair cost for C15A9 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat