OBD Guide
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B2364

Fuel Filler Door Circuit Open

B2364 is an OBD-II diagnostic trouble code meaning: Fuel Filler Door Circuit Open. Common causes: broken wiring harness to fuel tank cap, solenoid/actuator malfunction. Estimated repair cost: $22–89.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–89 (est.)

Symptoms

  • It is impossible to open the fuel tank cap using the button/key fob
  • Error indication on the dashboard
  • False alarms (in rare cases)

Causes

  • Broken wiring harness to fuel tank cap
  • Solenoid/actuator malfunction
  • Connector damage or contact corrosion
  • Body Control Module (BCM) Problems

How to Fix

  1. Check the fuel cap circuit fuse
  2. Inspect the wiring harness for damage
  3. Check solenoid/actuator resistance and power supply
  4. Clean the connector contacts
  5. Replace solenoid or wiring harness if necessary
  6. Reset error and check functionality

Related codes

B2365P0442P0455

FAQ

What does the B2364 code mean?

B2364 is an OBD-II diagnostic trouble code that indicates: Fuel Filler Door Circuit Open

What causes a B2364 error code?

The most common causes of B2364 include: Broken wiring harness to fuel tank cap; Solenoid/actuator malfunction; Connector damage or contact corrosion; Body Control Module (BCM) Problems.

How do I fix a B2364 diagnostic trouble code?

To fix B2364: Check the fuel cap circuit fuse. Inspect the wiring harness for damage. Check solenoid/actuator resistance and power supply. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2364?

Yes, but get it checked soon

How much does it cost to fix B2364?

The estimated repair cost for B2364 is $22–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat