OBD Guide
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B2569

Liftgate Disarm Switch Circuit Short to Ground

B2569 is an OBD-II diagnostic trouble code meaning: Liftgate Disarm Switch Circuit Short to Ground. Common causes: short circuit in the wiring in the tailgate hinge, malfunction of the disarm switch. Estimated repair cost: $11–89.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$11–89 (est.)

Symptoms

  • The alarm is disarmed spontaneously
  • The car does not arm itself through the button on the trunk door
  • The security system malfunction indicator is on
  • Code B2569 when diagnosing the BCM or security system

Causes

  • Short circuit in the wiring in the tailgate hinge
  • Malfunction of the disarm switch
  • Damage to the insulation of the wire with contact to the body
  • Moisture getting into the switch connector
  • Corrosion of switch or connector contacts

How to Fix

  1. Read error codes and determine whether the code is active or stored
  2. Disconnect the disarm switch connector and check for a short to ground.
  3. Inspect the wiring harness in the tailgate hinge for cracks or broken insulation
  4. Check the condition of the switch itself (resistance in the open position should be infinite)
  5. Repair the detected short circuit or replace the door hinge wiring harness
  6. If the switch is faulty, replace it

Related codes

B2568B2570B2571B2573

FAQ

What does the B2569 code mean?

B2569 is an OBD-II diagnostic trouble code that indicates: Liftgate Disarm Switch Circuit Short to Ground

What causes a B2569 error code?

The most common causes of B2569 include: Short circuit in the wiring in the tailgate hinge; Malfunction of the disarm switch; Damage to the insulation of the wire with contact to the body; Moisture getting into the switch connector.

How do I fix a B2569 diagnostic trouble code?

To fix B2569: Read error codes and determine whether the code is active or stored. Disconnect the disarm switch connector and check for a short to ground.. Inspect the wiring harness in the tailgate hinge for cracks or broken insulation. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2569?

Yes, but get it checked soon

How much does it cost to fix B2569?

The estimated repair cost for B2569 is $11–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat