Engine-CodesJeep – B1984 Jeep

B1984 Jeep Code - Power Liftgate Latch Control 2 Circuit Low

Quick Answer

The B1984 diagnostic trouble code (DTC) for Jeep vehicles specifically relates to the Power Liftgate Latch Control 2 Circuit being detected as low. Common causes include Damaged wiring or connectors in the power liftgate latch control circuit, Faulty power liftgate latch control module, Malfunctioning power liftgate latch. 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
B1984 Jeep indicates Power Liftgate Latch Control 2 Circuit Low.
Common causes
Common causes include Damaged wiring or connectors in the power liftgate latch control circuit, Faulty power liftgate latch control module, Malfunctioning power liftgate latch.
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.
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code B1984 Jeep Description

The B1984 diagnostic trouble code (DTC) for Jeep vehicles specifically relates to the Power Liftgate Latch Control 2 Circuit being detected as low. This code indicates that there is an issue with the electrical circuit that controls the power liftgate latch. The power liftgate latch is responsible for securely closing and locking the liftgate of the vehicle. When this circuit is detected as low, it means that there is a problem with the voltage levels in the circuit, which can prevent the latch from functioning correctly.

OBDII Code B1984 Jeep - Power Liftgate Latch Control 2 Circuit Low
B1984 Jeep Code - Power Liftgate Latch Control 2 Circuit Low

Common Causes of B1984 Jeep

  1. Damaged wiring or connectors in the power liftgate latch control circuit.
  2. Faulty power liftgate latch control module.
  3. Malfunctioning power liftgate latch.
  4. Corrosion or poor electrical connections in the circuit.
  5. Electrical issues such as a blown fuse or relay related to the power liftgate system.

Symptoms of B1984 Jeep

  1. Power liftgate fails to close or lock properly.
  2. Warning light on the dashboard indicating an issue with the liftgate.
  3. Audible warning chime when attempting to close the liftgate.
  4. Liftgate opens unexpectedly while driving.

How to Fix B1984 Jeep

  1. Begin by conducting a visual inspection of the wiring and connectors in the power liftgate latch control circuit to check for any visible damage or corrosion.
  2. Use a multimeter to test the voltage levels in the circuit to determine if there is a low voltage issue.
  3. Inspect the power liftgate latch control module for any signs of damage or malfunction.
  4. Test the power liftgate latch itself to ensure it is functioning correctly and securely closing and locking.
  5. Replace any damaged wiring, connectors, the control module, or the power liftgate latch as needed to resolve the low circuit voltage issue.

Cost to Fix B1984 Jeep

The typical repair costs for addressing a B1984 code related to the Power Liftgate Latch Control 2 Circuit Low can vary depending on the specific cause of the issue and the cost of parts and labor. In general, the cost of parts for this repair can range from $100 to $300, while labor costs can range from $150 to $400. Overall, the total repair cost for this issue may fall between $250 and $700. It's important to note that these estimates are approximate, and actual costs may vary based on factors such as location, vehicle make and model, and the specific repair shop's rates. It's recommended to obtain quotes from local auto repair shops to get a more accurate cost estimate for addressing this issue.

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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 B1984 Jeep Code

1. What are the common symptoms of OBDII code B1984 in a Jeep related to the Power Liftgate Latch Control 2 Circuit Low?

The common symptoms include difficulty in opening or closing the power liftgate, intermittent operation of the liftgate, and warning lights on the dashboard related to the liftgate system.

2. What are the possible causes of OBDII code B1984 in a Jeep indicating a Power Liftgate Latch Control 2 Circuit Low?

Possible causes may include a faulty liftgate latch control switch, damaged wiring or connectors in the liftgate circuit, a defective liftgate latch actuator, or a malfunctioning liftgate control module.

3. How can I diagnose the issue related to OBDII code B1984 in my Jeep's Power Liftgate Latch Control 2 Circuit Low?

You can start by checking the wiring and connectors in the liftgate circuit for any visible damage or corrosion. You may also use a multimeter to test the continuity and voltage in the circuit components, such as the liftgate latch control switch and actuator.

4. Can I repair OBDII code B1984 in my Jeep indicating a Power Liftgate Latch Control 2 Circuit Low on my own?

Depending on your skill level and access to tools, you may be able to repair this issue yourself by replacing the faulty liftgate latch control switch, repairing damaged wiring, or replacing the defective liftgate latch actuator. However, if you are unsure, it's recommended to seek professional help.

5. Is it safe to continue driving my Jeep with OBDII code B1984 related to the Power Liftgate Latch Control 2 Circuit Low?

While the vehicle may still be operable with this issue, it's best to address it promptly to avoid potential safety hazards or further damage to the liftgate system. It's advisable to have the problem diagnosed and repaired as soon as possible.

6. How much does it typically cost to repair OBDII code B1984 in a Jeep for the Power Liftgate Latch Control 2 Circuit Low?

The cost of repair can vary depending on the specific cause of the issue and the labor rates in your area. It's recommended to get a few quotes from reputable mechanics or dealerships to compare prices and ensure a fair estimate.

7. Can weather conditions affect the occurrence of OBDII code B1984 in a Jeep related to the Power Liftgate Latch Control 2 Circuit Low?

Extreme weather conditions, such as heavy rain or snow, can potentially worsen existing issues with the liftgate system, leading to the triggering of this OBDII code. It's important to keep the liftgate components protected and maintained to prevent weather-related damage.

8. Will resetting the vehicle's computer clear OBDII code B1984 for the Power Liftgate Latch Control 2 Circuit Low?

While resetting the computer may temporarily clear the code, it's not a permanent solution if the underlying issue is not addressed. It's crucial to diagnose the root cause of the problem and make the necessary repairs to prevent the code from reoccurring.

9. Are there any preventive maintenance steps I can take to avoid encountering OBDII code B1984 in my Jeep related to the Power Liftgate Latch Control 2 Circuit Low?

Regularly inspecting the liftgate system for any signs of wear or damage, keeping the components clean and lubricated, and addressing any issues promptly can help prevent the occurrence of this OBDII code. Following the manufacturer's recommended maintenance schedule is also beneficial.

10. Can a disconnected or dead battery cause OBDII code B1984 in a Jeep indicating a Power Liftgate Latch Control 2 Circuit Low?

A disconnected or dead battery can sometimes cause temporary communication errors or faults in the vehicle's systems, including the liftgate control module. If the code persists after the battery issue is resolved, further diagnosis is recommended to identify the actual cause of the problem.

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