AutoCodes – Generic – B1983

B1983 Code - Drivers Door Unlock Relay Circuit Short to Battery

Quick Answer

The Body Control Module (BCM) monitors the Drivers Door Unlock Relay. Common causes include Faulty Drivers Door Unlock Relay, Drivers Door Unlock Relay harness is open or shorted, Drivers Door Unlock Relay circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: B1983 indicates Drivers Door Unlock Relay Circuit Short to Battery.
Common causes: Common causes include Faulty Drivers Door Unlock Relay, Drivers Door Unlock Relay harness is open or shorted, Drivers Door Unlock Relay circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 5,620

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 02, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1983 Description

The Body Control Module (BCM) monitors the Drivers Door Unlock Relay. The BCM sets the OBDII code when the Drivers Door Unlock Relay is not to factory specifications.

OBDII Code B1983 - Drivers Door Unlock Relay Circuit Short to Battery - AutoCodes.com — B1983 Code - Drivers Door Unlock Relay Circuit Short to Battery

What does this mean?

What are the Possible Causes of the DTC B1983?

Faulty Drivers Door Unlock Relay
Drivers Door Unlock Relay harness is open or shorted
Drivers Door Unlock Relay circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B1983?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1983 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B1983 code?

Need more information on how to fix the B1983 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1983 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B1983 Buick — Battery Voltage Low
B1983 Cadillac — Battery Voltage Low
B1983 Chevrolet — Battery Voltage Low
B1983 GMC — Battery Voltage Low
B1983 Pontiac — Battery Voltage Low
B1983 Saturn — Battery Voltage Low

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1983 Code

1. What are the common symptoms of OBDII code B1983 (Drivers Door Unlock Relay Circuit Short to Battery)?

- Common symptoms include inoperative power door locks, erratic door lock behavior, and potential issues with the central locking system.

2. What can cause the OBDII code B1983 to trigger?

- The code B1983 is typically triggered by a short circuit between the drivers door unlock relay circuit and the battery.

3. How can I diagnose the OBDII code B1983?

- To diagnose the code B1983, you will need to perform a thorough inspection of the drivers door unlock relay circuit, check for any visible wiring issues, and use a multimeter to test for shorts to the battery.

4. Are there any common repair tips for fixing the OBDII code B1983?

- Common repair tips include repairing or replacing damaged wiring, checking and repairing any faulty door lock relays, and ensuring proper connections in the circuit.

5. Can the OBDII code B1983 be intermittent or permanent?

- The code B1983 can be either intermittent or permanent, depending on the nature of the short circuit and the underlying issue causing it.

6. Is it safe to continue driving with the OBDII code B1983 present?

- It is not recommended to continue driving with the OBDII code B1983 present, as it can lead to further electrical issues and potential door lock failures.

7. How much does it typically cost to repair the OBDII code B1983?

- The cost of repairing the OBDII code B1983 can vary depending on the extent of the damage, the parts needed for replacement, and the labor rates of the repair shop. It is advisable to consult with a professional for an accurate estimate.

8. Can I reset the OBDII code B1983 on my own?

- While you can attempt to clear the code using an OBDII scanner, it is important to address the underlying issue causing the code to prevent it from reoccurring.

9. Are there any preventative measures to avoid the OBDII code B1983 in the future?

- To prevent the OBDII code B1983, it is recommended to regularly inspect the door lock system, address any issues promptly, and avoid overloading the electrical system with aftermarket accessories.

10. Will fixing the OBDII code B1983 improve the overall functionality of the door lock system?

- Yes, repairing the code B1983 will likely restore proper functionality to the door lock system and ensure smooth operation of the central locking mechanism.