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Engine-Codes – Generic – B1552

B1552 Code - Decklid Release Circuit Open

Quick Answer

The B1552 diagnostic trouble code (DTC) indicates that there is an issue with the decklid release circuit being open. Common causes include Damaged wiring or connectors in the decklid release circuit, Faulty decklid release switch, Malfunctioning decklid release 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
B1552 indicates Decklid Release Circuit Open.
Common causes
Common causes include Damaged wiring or connectors in the decklid release circuit, Faulty decklid release switch, Malfunctioning decklid release 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 13, 2024
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Code B1552 Description

The B1552 diagnostic trouble code (DTC) indicates that there is an issue with the decklid release circuit being open. This means that there is an interruption or break in the electrical circuit that controls the decklid release mechanism. The decklid release circuit is responsible for allowing the trunk or rear hatch to be opened electronically, typically using a button on the key fob or inside the vehicle. When this circuit is open, it prevents the decklid from being unlocked and opened using the electronic release mechanism.

OBDII Code B1552 - Decklid Release Circuit Open
B1552 Code - Decklid Release Circuit Open

Common Causes of B1552

  1. Damaged wiring or connectors in the decklid release circuit.
  2. Faulty decklid release switch.
  3. Malfunctioning decklid release module.
  4. Blown fuse related to the decklid release circuit.
  5. Corrosion or water damage in the decklid release system components.

Symptoms of B1552

  1. Inability to open the trunk or rear hatch using the electronic release button.
  2. Decklid remains stuck closed even when attempting to unlock it.
  3. Warning light on the dashboard indicating a trunk or decklid issue.
  4. Audible clicking sound when attempting to open the decklid electronically.

How to Fix B1552

  1. Begin by inspecting the wiring and connectors in the decklid release circuit for any visible damage or corrosion. Repair or replace any damaged components.
  2. Test the decklid release switch for proper functionality. Replace if necessary.
  3. Check the decklid release module for any signs of malfunction. Replace if needed.
  4. Inspect and replace any blown fuses related to the decklid release circuit.
  5. Clear the DTC from the vehicle's computer system using a diagnostic scanner.

Cost to Fix B1552

The typical repair costs for addressing a B1552 code can vary depending on the specific cause of the issue and the make and model of the vehicle. In general, the cost of parts for this repair can range from $50 to $200, while labor costs can range from $100 to $300. Overall, the total repair cost for resolving a decklid release circuit open issue can be estimated to be between $150 and $500. It's important to note that these are rough estimates, and actual costs may vary based on factors such as location, vehicle type, and the specific diagnosis and repair process required. It's recommended to consult with a qualified mechanic or auto repair shop for a more accurate cost estimate based on your individual circumstances.

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Code B1552 Information for Specific Makes

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 B1552 Code

1. What are the common symptoms of OBDII code B1552 - Decklid Release Circuit Open?

- Common symptoms include the decklid (trunk) not opening when the release button is pressed, the trunk opening intermittently, or the trunk releasing on its own.

2. What are the possible causes of the Decklid Release Circuit Open code B1552?

- Possible causes include a faulty decklid release switch, damaged wiring harness, blown fuse, faulty trunk release actuator, or a problem with the body control module.

3. How can I diagnose the cause of OBDII code B1552 - Decklid Release Circuit Open?

- You can start by checking the decklid release switch for proper operation, inspecting the wiring for any visible damage, testing the fuse related to the trunk release circuit, and scanning the body control module for error codes.

4. What should I do if my trunk won't open due to OBDII code B1552?

- If your trunk won't open, you can try using the manual release lever inside the trunk to access the trunk area and inspect the components for any visible issues before attempting repairs.

5. Can OBDII code B1552 - Decklid Release Circuit Open be repaired at home?

- Depending on the underlying cause, some DIY repairs may be possible, such as replacing a faulty switch or fuse. However, more complex issues may require professional diagnosis and repair.

6. Is it safe to continue driving with OBDII code B1552 active?

- While driving with the code may not directly affect vehicle performance, it is recommended to address the issue promptly to ensure the trunk can be opened in case of emergency or to access essential items stored in the trunk.

7. How much does it typically cost to repair OBDII code B1552 - Decklid Release Circuit Open?

- The cost of repair can vary depending on the specific cause of the issue. Simple repairs like replacing a switch or fuse may cost less, while more complex issues involving wiring or module replacement can be more expensive.

8. Will resetting the OBDII code B1552 clear the trunk release problem?

- Resetting the code may temporarily clear the error message, but it will not fix the underlying issue causing the decklid release problem. It's crucial to diagnose and repair the root cause to resolve the trunk release issue permanently.

9. Can extreme weather conditions trigger OBDII code B1552 - Decklid Release Circuit Open?

- Yes, extreme temperatures or moisture can sometimes affect electrical components, leading to issues like a decklid release circuit open fault. Ensuring proper weather sealing and maintaining components can help prevent such problems.

10. Are there any preventive maintenance tips to prevent OBDII code B1552 from occurring?

- Regularly inspecting the trunk release system components, keeping the trunk area clean and dry, avoiding excessive force when closing the trunk, and addressing any issues promptly can help prevent the occurrence of code B1552.

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