OBD Guide
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B2601

No Latch Signal Sensed on Closing and Door Reversed

B2601 is an OBD-II diagnostic trouble code meaning: No Latch Signal Sensed on Closing and Door Reversed. Common causes: door latch sensor malfunction, open or shorted wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • The door does not lock in the closed position
  • False alarms
  • Door lock doesn't work

Causes

  • Door latch sensor malfunction
  • Open or shorted wiring harness
  • Body Control Module (BCM) Problems
  • Oxidation of contacts in connectors

How to Fix

  1. Check the condition of the latch sensor
  2. Inspect the wiring harness for damage
  3. Check contacts in connectors
  4. If necessary, replace the sensor or harness
  5. Check the operation of the body control unit

Related codes

B2600B2602

FAQ

What does the B2601 code mean?

B2601 is an OBD-II diagnostic trouble code that indicates: No Latch Signal Sensed on Closing and Door Reversed

What causes a B2601 error code?

The most common causes of B2601 include: Door latch sensor malfunction; Open or shorted wiring harness; Body Control Module (BCM) Problems; Oxidation of contacts in connectors.

How do I fix a B2601 diagnostic trouble code?

To fix B2601: Check the condition of the latch sensor. Inspect the wiring harness for damage. Check contacts in connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2601?

Limited driving only, diagnose soon

How much does it cost to fix B2601?

The estimated repair cost for B2601 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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