B1306 Liftgate Ajar Switch General Electrical Failure

OBD2 Code: B1306

Description: Liftgate Ajar Switch General Electrical Failure

Definition: The OBD2 code B1306 indicates a problem with the electrical circuit of the liftgate ajar switch. This means there is an issue in detecting whether the liftgate is open or closed, which could be due to wiring problems, a faulty switch, or other related electrical failures.

B1306: Liftgate Ajar Switch General Electrical Failure

Typical Severity: Moderate

Common Causes

b1306 – Liftgate Ajar Switch General Electrical Failure

Common Causes:

• Faulty liftgate ajar switch
• Wiring issues in the liftgate ajar switch circuit
• Poor electrical connection related to the liftgate ajar switch
• Defective body control module (BCM)

Common Misdiagnosis

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OBD2 Code: B1306

Description: Liftgate Ajar Switch General Electrical Failure

Common Misdiagnosis: Replacing the liftgate ajar switch without checking for wiring issues or connector problems.

Common Diagnostic Steps

OBD2 Code: B1306
Description: Liftgate Ajar Switch General Electrical Failure

• Inspect the liftgate ajar switch for physical damage or corrosion.
• Check the wiring and connectors for any signs of wear, damage, or disconnection.
• Use a multimeter to test the continuity of the liftgate ajar switch circuit.
• Verify that there is proper voltage supply to the switch using a voltmeter.
• Examine related fuses and relays for faults or blown conditions.
• If equipped, use an OBD2 scanner to clear the code and see if it returns after performing repairs.