B1982 Drivers Door Unlock Relay Circuit Failure

OBD2 Code: B1982

Description: Drivers Door Unlock Relay Circuit Failure

Definition: This code indicates a malfunction in the circuit responsible for controlling the driver’s door unlock relay. The issue could be due to a faulty relay, wiring problems, or a failure in the control module that manages the locking system.

b1982 drivers door unlock relay circuit failure

Typical severity: B – Body (Body or Chassis)

Common Causes

b1982 – drivers door unlock relay circuit failure

Common causes:

• Faulty drivers door unlock relay
• Short circuit in the wiring harness
• Loose or corroded electrical connections
• Faulty body control module (BCM)

Common Misdiagnosis

OBD2 Code: B1982

Description: Driver’s Door Unlock Relay Circuit Failure

Common Misdiagnosis: Replacing the door lock actuator instead of checking the relay circuit or wiring issues.

Common Diagnostic Steps

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OBD2 Code: B1982

Description: Driver’s Door Unlock Relay Circuit Failure

• Check the fuse related to the driver’s door unlock relay circuit. Replace if necessary.
• Inspect the wiring and connectors for any signs of damage, corrosion, or disconnection in the driver’s door unlock relay circuit.
• Test the driver’s door unlock relay by swapping it with a similar known working relay from another circuit.
• Use a multimeter to check for proper voltage and ground at the relay socket when operating the door lock switch.
• If equipped, use an OBD2 scanner to clear the code and see if it returns after performing repairs.
• If all else fails, consult a professional technician for further diagnosis as there may be an issue with the vehicle’s control module or other components.