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Engine-Codes – RAM – B19F4 RAM

B19F4 RAM Code - Right Power Sliding Door Latch Control 2 Circuit High

Quick Answer

The B19F4 diagnostic trouble code (DTC) indicates a problem with the Right Power Sliding Door Latch Control 2 Circuit being too high. Common causes include Faulty latch actuator, Wiring issues such as a short circuit or open circuit, Malfunctioning control module. 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
B19F4 RAM indicates Right Power Sliding Door Latch Control 2 Circuit High.
Common causes
Common causes include Faulty latch actuator, Wiring issues such as a short circuit or open circuit, Malfunctioning control module.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code B19F4 RAM Description

The B19F4 diagnostic trouble code (DTC) indicates a problem with the Right Power Sliding Door Latch Control 2 Circuit being too high. This code is specific to vehicles equipped with power sliding doors, typically found in minivans and some SUVs. The power sliding door latch control system is responsible for securely latching and unlatching the door when it is opened and closed.

OBDII Code B19F4 RAM - Right Power Sliding Door Latch Control 2 Circuit High
B19F4 RAM Code - Right Power Sliding Door Latch Control 2 Circuit High

Common Causes of B19F4 RAM

  1. Faulty latch actuator.
  2. Wiring issues such as a short circuit or open circuit.
  3. Malfunctioning control module.
  4. Poor electrical connection in the system.
  5. Water or moisture damage to the components.

Symptoms of B19F4 RAM

  1. Power sliding door not latching properly.
  2. Inability to open or close the power sliding door.
  3. Warning light illuminated on the dashboard.
  4. Audible clicking or grinding noises when attempting to operate the power sliding door.

How to Fix B19F4 RAM

  1. Begin by inspecting the wiring harness and connectors for any visible damage or corrosion. Repair or replace any damaged wiring.
  2. Test the latch actuator for proper operation using a multimeter. Replace the actuator if it fails the test.
  3. Check the control module for any signs of damage or malfunction. If necessary, replace the control module.
  4. Clear the DTC from the vehicle's memory using a diagnostic scan tool.
  5. Test the power sliding door to ensure that it latches and unlatches correctly after the repair.

Cost to Fix B19F4 RAM

The cost of repairing a B19F4 DTC related to the Right Power Sliding Door Latch Control 2 Circuit High can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay anywhere from $200 to $500 for parts and labor. Keep in mind that diagnostic time and labor rates at auto repair shops can vary, so it's recommended to obtain quotes from multiple shops to ensure you get the best price for the repair.

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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 B19F4 RAM Code

1. What does the OBDII code B19F4 mean?

The B19F4 code indicates a problem with the Right Power Sliding Door Latch Control 2 Circuit, specifically that the circuit has a high voltage condition.

2. What are the symptoms of code B19F4?

Common symptoms include the right power sliding door not latching properly, failing to respond to open or close commands, or triggering warning lights on the dashboard.

3. What causes the B19F4 code to appear?

This code is typically caused by wiring issues, such as damaged or shorted wires, a faulty power sliding door latch motor, or a problem with the control module.

4. How do I diagnose the B19F4 code?

Start by inspecting the wiring and connectors for damage or corrosion. Then test the latch motor and associated circuits for proper voltage and continuity.

5. Can I continue driving with the B19F4 code?

Yes, but the right power sliding door may not function properly, posing a safety risk if the door cannot latch securely.

6. How do I fix the B19F4 code?

Repairs may include replacing damaged wiring, repairing corroded connectors, or replacing the power sliding door latch motor if it is faulty.

7. Is the B19F4 code related to the door control module?

Yes, a malfunctioning door control module may cause this code if it fails to regulate voltage properly in the latch control circuit.

8. Can a low battery cause the B19F4 code?

While unlikely, a weak or failing battery could contribute to electrical issues that might trigger this code. Testing the battery and charging system is recommended.

9. How much does it cost to fix the B19F4 code?

Repair costs vary but may range from $100–$300 for wiring repairs and up to $500 or more if the latch motor or control module needs replacement.

10. Can I clear the B19F4 code without fixing the issue?

Clearing the code without addressing the underlying problem will likely cause it to return. Proper diagnosis and repair are necessary to resolve the issue.

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