AutoCodes – Generic – B3602

B3602 Code - Convertible Top Switch

Quick Answer

The Folding Top Control (FTC) Module checks the integrity of the signal circuits from the folding top control switch at least once every 300 milliseconds. Common causes include Faulty Convertible Top Switch, Convertible Top Switch harness is open or shorted, Convertible Top Switch circuit poor electrical connection. 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
B3602 indicates Convertible Top Switch.
Common causes
Common causes include Faulty Convertible Top Switch, Convertible Top Switch harness is open or shorted, Convertible Top Switch circuit poor electrical connection.
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.
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Code Popularity 588
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 10, 2020
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Code B3602 Description

The Folding Top Control (FTC) Module checks the integrity of the signal circuits from the folding top control switch at least once every 300 milliseconds. The folding top control switch has a constant battery positive voltage supplied. Pressing the folding top control switch to the open or close position will apply the battery positive voltage to the appropriate folding top control switch open or close signal circuit to the FTC module. The FTC module monitors these signal circuits to control the direction of the folding top.
OBDII Code B3602 - Convertible Top Switch - AutoCodes.com
B3602 Code - Convertible Top Switch

What are the Possible Causes of the DTC B3602?

  • Faulty Convertible Top Switch
  • Convertible Top Switch harness is open or shorted
  • Convertible Top Switch circuit poor electrical connection
  • Faulty Folding Top Control (FTC) Module

How to Fix the DTC B3602?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B3602 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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Need Help with the Code?

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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 B3602 Code

1. What are the common symptoms of OBDII code B3602 related to the Convertible Top Switch?

When OBDII code B3602 is triggered, common symptoms include the convertible top not functioning properly, failure to open or close, or erratic behavior of the convertible top.

2. What are the possible causes of OBDII code B3602 related to the Convertible Top Switch?

Possible causes of OBDII code B3602 include a faulty convertible top switch, wiring issues, a malfunctioning convertible top motor, or a problem with the convertible top control module.

3. How can I diagnose the cause of OBDII code B3602 related to the Convertible Top Switch?

Diagnosing OBDII code B3602 involves checking the convertible top switch for proper function, inspecting the wiring for any damage, testing the convertible top motor, and scanning the convertible top control module for any fault codes.

4. Can I repair OBDII code B3602 related to the Convertible Top Switch myself?

Depending on the cause of the code, repairing OBDII code B3602 may be possible for DIY enthusiasts with automotive repair experience. However, if the issue is complex or requires specialized tools, it may be best to consult a professional mechanic.

5. How important is it to address OBDII code B3602 related to the Convertible Top Switch promptly?

It is important to address OBDII code B3602 promptly to ensure the proper functioning of your convertible top. Ignoring the issue may lead to further damage or inconvenience when operating the convertible top.

6. Are there any preventive maintenance tips to avoid OBDII code B3602 related to the Convertible Top Switch?

To prevent OBDII code B3602, it is recommended to regularly inspect the convertible top switch and wiring for any signs of wear or damage, and to follow the manufacturer's maintenance schedule for the convertible top system.

7. Is OBDII code B3602 related to the Convertible Top Switch a common issue in certain vehicle makes and models?

OBDII code B3602 related to the Convertible Top Switch may be more common in convertible vehicles or specific makes and models known for convertible top system issues. Checking online forums or consulting with a mechanic specializing in convertible tops can provide more insights.

8. Can OBDII code B3602 related to the Convertible Top Switch be a false alarm?

In some cases, OBDII code B3602 related to the Convertible Top Switch may be triggered by a temporary glitch or a loose connection. Performing a reset or clearing the code to see if it reoccurs can help determine if it was a false alarm.

9. What are the potential risks of driving with OBDII code B3602 related to the Convertible Top Switch unresolved?

Driving with OBDII code B3602 related to the Convertible Top Switch unresolved may lead to the convertible top not working when needed, posing safety risks in certain situations. It is advisable to address the issue promptly.

10. How much does it typically cost to repair OBDII code B3602 related to the Convertible Top Switch?

The cost of repairing OBDII code B3602 related to the Convertible Top Switch can vary depending on the underlying cause, parts needed, labor rates, and the vehicle's make and model. It is recommended to obtain quotes from multiple repair shops for an accurate estimate.

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