OBD Guide
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B1301

Power Door Lock Circuit Open

B1301 is an OBD-II diagnostic trouble code meaning: Power Door Lock Circuit Open. Common causes: broken wire in the harness, oxidation of contacts. Estimated repair cost: $22–111.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–111 (est.)

Symptoms

  • Door locks don't work
  • Periodic operation of locks
  • Clicks without locking

Causes

  • Broken wire in the harness
  • Oxidation of contacts
  • Electric lock malfunction
  • Problems with the control module

How to Fix

  1. Check the lock circuit fuse
  2. Check the condition of the wiring harness and contacts
  3. Test the operation of the electric lock
  4. If necessary, replace the faulty component

Related codes

B1302B1303B1304

FAQ

What does the B1301 code mean?

B1301 is an OBD-II diagnostic trouble code that indicates: Power Door Lock Circuit Open

What causes a B1301 error code?

The most common causes of B1301 include: Broken wire in the harness; Oxidation of contacts; Electric lock malfunction; Problems with the control module.

How do I fix a B1301 diagnostic trouble code?

To fix B1301: Check the lock circuit fuse. Check the condition of the wiring harness and contacts. Test the operation of the electric lock. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1301?

Yes, but get it checked soon

How much does it cost to fix B1301?

The estimated repair cost for B1301 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat