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B1627 Chrysler Code - Cargo Lamp Control Circuit Low

Quick Answer

The B1627 diagnostic trouble code (DTC) indicates a problem with the cargo lamp control circuit in Chrysler vehicles. Common causes include Faulty cargo lamp switch that fails to send the correct signal, Damaged or frayed wiring in the cargo lamp circuit, Corroded or loose electrical connectors affecting circuit integrity. 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
B1627 Chrysler indicates Cargo Lamp Control Circuit Low.
Common causes
Common causes include Faulty cargo lamp switch that fails to send the correct signal, Damaged or frayed wiring in the cargo lamp circuit, Corroded or loose electrical connectors affecting circuit integrity.
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 Oct 01, 2024
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Code B1627 Chrysler Description

The B1627 diagnostic trouble code (DTC) indicates a problem with the cargo lamp control circuit in Chrysler vehicles. This code specifically refers to a low voltage condition detected in the circuit responsible for controlling the cargo lamp, which is typically located in the rear of the vehicle, often above the cargo area. The cargo lamp is designed to illuminate the cargo space when the rear doors are opened or when activated by the driver.

OBDII Code B1627 Chrysler - Cargo Lamp Control Circuit Low
B1627 Chrysler Code - Cargo Lamp Control Circuit Low

Common Causes of B1627 Chrysler

  1. Faulty cargo lamp switch that fails to send the correct signal.
  2. Damaged or frayed wiring in the cargo lamp circuit.
  3. Corroded or loose electrical connectors affecting circuit integrity.
  4. A malfunctioning body control module (BCM) that misinterprets signals.
  5. Blown fuse in the cargo lamp circuit, leading to low voltage readings.

Symptoms of B1627 Chrysler

  1. Cargo lamp does not illuminate when rear doors are opened.
  2. Intermittent operation of the cargo lamp, flickering or dim lighting.
  3. Warning lights on the dashboard related to electrical systems.
  4. Other interior lights may also exhibit erratic behavior.
  5. Possible blown fuses related to the cargo lamp circuit.

How to Fix B1627 Chrysler

  1. Diagnostic Scan: Begin by using an OBD-II scanner to confirm the B1627 code and check for any additional codes that may provide further insights into the issue.
  2. Visual Inspection: Inspect the cargo lamp switch, wiring, and connectors for any visible signs of damage, corrosion, or wear. Pay special attention to areas where wires may be pinched or exposed.
  3. Test the Circuit: Use a multimeter to measure the voltage in the cargo lamp control circuit. Compare the readings to the manufacturer’s specifications to determine if the circuit is indeed low.
  4. Replace Faulty Components: If the cargo lamp switch, wiring, or connectors are found to be defective, replace them as necessary. If the BCM is suspected to be faulty, further testing or replacement may be required.
  5. Clear Codes and Test: After repairs, clear the DTCs from the vehicle’s computer and conduct a test to ensure the cargo lamp operates correctly and that the B1627 code does not return.

Cost to Fix B1627 Chrysler

The typical repair costs for addressing the B1627 code can vary widely based on the specific issue identified during diagnosis. Basic repairs, such as replacing a faulty switch or wiring, may range from $100 to $300. More complex repairs involving the body control module could escalate costs to between $300 and $800, depending on parts and labor.

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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 B1627 Chrysler Code

1. What are the common symptoms of OBDII code B1627 Chrysler (Cargo Lamp Control Circuit Low)?

- Dim or non-functional cargo lamp, illuminated dashboard warning light, and potential issues with cargo area lighting control.

2. What are the possible causes of OBDII code B1627 in a Chrysler vehicle?

- Faulty cargo lamp bulb, damaged wiring or connectors in the cargo lamp circuit, and a malfunctioning cargo lamp control module.

3. How can I diagnose the cause of OBDII code B1627 Cargo Lamp Control Circuit Low in my Chrysler?

- Perform a visual inspection of the cargo lamp and its wiring, check for loose connections, use a multimeter to test voltage and continuity, and scan the vehicle's computer for more specific diagnostic information.

4. Can a DIY enthusiast repair OBDII code B1627 Cargo Lamp Control Circuit Low in a Chrysler?

- Yes, if the issue is a simple bulb replacement or fixing a loose connection. More complex issues may require professional help or specialized tools.

5. Are there any quick troubleshooting tips for resolving OBDII code B1627 in a Chrysler cargo lamp circuit?

- Verify the cargo lamp bulb is functioning, check all cargo lamp wiring for damage, and reset the system by disconnecting the battery for a few minutes.

6. How critical is it to address OBDII code B1627 Cargo Lamp Control Circuit Low in a Chrysler promptly?

- While the code may not affect the vehicle's drivability, fixing the cargo lamp issue is essential for safety and compliance with vehicle regulations.

7. What are the potential risks of ignoring OBDII code B1627 in a Chrysler cargo lamp circuit?

- Reduced visibility in the cargo area, difficulties loading/unloading in the dark, and potential safety hazards due to inadequate lighting.

8. Can weather conditions or environmental factors trigger OBDII code B1627 Cargo Lamp Control Circuit Low in a Chrysler?

- Extreme temperatures, moisture, or physical damage to the cargo lamp wiring can contribute to the occurrence of this code.

9. Is resetting the OBDII system an effective way to temporarily clear OBDII code B1627 in a Chrysler?

- Resetting the system may clear the code temporarily, but if the underlying issue is not addressed, the code is likely to reappear.

10. How can I prevent OBDII code B1627 Cargo Lamp Control Circuit Low from recurring in my Chrysler?

- Regularly inspect and maintain the cargo lamp, avoid overloading the cargo area, and address any electrical issues promptly to prevent further damage.

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