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Engine-Codes – Jeep – B1628 Jeep

B1628 Jeep Code - Cargo Lamp Control Circuit High

Quick Answer

The B1628 diagnostic trouble code for Jeep vehicles indicates a problem with the cargo lamp control circuit being too high. Common causes include Faulty cargo lamp control module, Damaged wiring or connectors in the cargo lamp control circuit, Short circuit in the cargo lamp control circuit. 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
B1628 Jeep indicates Cargo Lamp Control Circuit High.
Common causes
Common causes include Faulty cargo lamp control module, Damaged wiring or connectors in the cargo lamp control circuit, Short circuit in the cargo lamp control circuit.
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 07, 2024
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Code B1628 Jeep Description

The B1628 diagnostic trouble code for Jeep vehicles indicates a problem with the cargo lamp control circuit being too high. The cargo lamp control circuit is responsible for controlling the cargo lamp, which is a light located in the cargo area of the vehicle. When this circuit is registering a high voltage, it means that there is an issue with the electrical system that controls the cargo lamp. This could be caused by a variety of factors, such as a faulty cargo lamp control module, damaged wiring, or a short circuit.

OBDII Code B1628 Jeep - Cargo Lamp Control Circuit High
B1628 Jeep Code - Cargo Lamp Control Circuit High

Common Causes of B1628 Jeep

  1. Faulty cargo lamp control module.
  2. Damaged wiring or connectors in the cargo lamp control circuit.
  3. Short circuit in the cargo lamp control circuit.
  4. Corrosion or water damage affecting the cargo lamp control circuit.
  5. Electrical issues in the vehicle's overall electrical system.

Symptoms of B1628 Jeep

  1. Cargo lamp not turning on when activated.
  2. Cargo lamp flickering or dimming intermittently.
  3. Dashboard warning light indicating an issue with the cargo lamp.
  4. Other electrical issues in the vehicle, such as flickering lights or malfunctions in other systems.

How to Fix B1628 Jeep

  1. Begin by conducting a thorough inspection of the cargo lamp control circuit, checking for any visible damage or corrosion.
  2. Test the cargo lamp control module to determine if it is functioning properly. Replace if necessary.
  3. Check the wiring and connectors in the cargo lamp control circuit for any damage or loose connections. Repair or replace as needed.
  4. Test for any short circuits in the cargo lamp control circuit and repair the issue.
  5. Clear the diagnostic trouble code from the vehicle's system and test the cargo lamp to ensure it is functioning correctly.

Cost to Fix B1628 Jeep

The typical repair costs for addressing a B1628 diagnostic trouble code in a Jeep vehicle can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts for this repair can range from $50 to $200, while the labor costs can range from $100 to $300. It's important to note that the diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's advisable to check local rates for a more precise estimate.

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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 B1628 Jeep Code

1. What are the common symptoms of OBDII code B1628 Jeep (Cargo Lamp Control Circuit High)?

- The common symptoms of this code may include the cargo lamp staying on constantly, flickering, or not turning off as expected.

2. What are the potential causes of the Cargo Lamp Control Circuit High code in a Jeep?

- The code B1628 in a Jeep could be triggered by issues such as a faulty cargo lamp control switch, wiring issues, or a malfunction in the lamp control circuit.

3. How can I diagnose the Cargo Lamp Control Circuit High issue in my Jeep?

- To diagnose this issue, you may need to inspect the cargo lamp control switch, check the wiring for any signs of damage, and use an OBDII scanner to read the trouble codes stored in the vehicle's computer.

4. Is it safe to drive my Jeep with the B1628 code related to the cargo lamp control circuit?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to avoid potential electrical problems or draining the battery.

5. How can I reset the OBDII code B1628 related to the cargo lamp control circuit in my Jeep?

- You can reset the code by using an OBDII scanner to clear the fault codes after you have addressed the underlying issue causing the Cargo Lamp Control Circuit High code.

6. Can a DIY enthusiast repair the Cargo Lamp Control Circuit High issue in a Jeep?

- Depending on your experience and knowledge of automotive electrical systems, it may be possible to repair this issue yourself by checking the cargo lamp control switch, inspecting the wiring, and making any necessary repairs.

7. Will fixing the Cargo Lamp Control Circuit High code require replacement parts?

- The repair for this code may involve replacing faulty components such as the cargo lamp control switch, damaged wiring, or any other parts found to be causing the issue.

8. What are some tips for preventing the recurrence of the Cargo Lamp Control Circuit High code in my Jeep?

- To prevent the code from reappearing, ensure all wiring connections are secure, regularly check the cargo lamp functionality, and address any electrical issues promptly.

9. Can extreme weather conditions affect the Cargo Lamp Control Circuit High code in a Jeep?

- Yes, extreme weather conditions can potentially impact the cargo lamp control circuit, causing issues that may trigger the B1628 trouble code.

10. How long does it typically take to repair the Cargo Lamp Control Circuit High issue in a Jeep?

- The repair time can vary depending on the specific cause of the issue, but it may take anywhere from 30 minutes to a few hours to diagnose and fix the Cargo Lamp Control Circuit High problem in a Jeep.

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