AutoCodesDodge – B255D Dodge

B255D Dodge Code - Decklid Open Position Sensor Circuit Performance

Quick Answer

The Convertible Top is fairly typical of convertible tops. Common causes include Faulty Decklid Open Position Sensor, Decklid Open Position Sensor harness is open or shorted, Decklid Open Position Sensor 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
B255D Dodge indicates Decklid Open Position Sensor Circuit Performance.
Common causes
Common causes include Faulty Decklid Open Position Sensor, Decklid Open Position Sensor harness is open or shorted, Decklid Open Position Sensor 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 589
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Dec 26, 2019
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Code B255D Dodge Description

The Convertible Top is fairly typical of convertible tops. There are three types of failures possible: Electrical failure (switches, wiring, motor, etc.), Hydraulic failure (fluid level low, leaks, pump internal, etc.), and Mechanical failure (binding roof, bent links, obstructions, etc.). Each type of failure mode will be rationalized by the power Top Control Module (PTCM) and labeled with a Diagnostic Trouble Code (DTC). The DTCs set by the PTCM can also be considered to have three types of failure modes:
1. Performance - These are time out DTCs, meaning the system timed out waiting for the next switch in sequence to change state. When the PTCM does not get the state change in the expected amount of time, it assumes something may be wrong and stops any further top operation in that direction. Typically the pump will run for 10 second before it times out.
2. Circuit Low - These DTCs set for a circuit that stays active at all times, meaning the signal circuit to the specified switch is continuously grounded. This could relate to a short to ground on the signal circuit, a sticking switch, or even a mechanical issue not allowing the switch to become inactive.
3. Correlation - These DTCs specifically relate two switches in a subcomponent (deck lid, tonneau drive, header latch, etc.) of the convertible top system. Both of the specified switches will be active in one position of the subcomponent (extended, retracted, open, closed, etc.). The switch that will not change state while attempting to operate the convertible top system, is the most likely area for attention.
OBDII Code B255D Dodge - Decklid Open Position Sensor Circuit Performance - AutoCodes.com
B255D Dodge Code - Decklid Open Position Sensor Circuit Performance

What are the Possible Causes of the DTC B255D Dodge?

  • Faulty Decklid Open Position Sensor
  • Decklid Open Position Sensor harness is open or shorted
  • Decklid Open Position Sensor circuit poor electrical connection
  • Faulty Power Top Control Module (PTCM)

How to Fix the DTC B255D Dodge?

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 B255D Dodge 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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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 B255D Dodge Code

1. What does the OBDII code B255D mean on a Dodge vehicle?

B255D indicates an issue with the Decklid Open Position Sensor Circuit performance, which monitors the position of the trunk lid (decklid).

2. What are the symptoms of code B255D in a Dodge?

Common symptoms include the trunk lid not opening or closing properly, a trunk ajar warning on the dashboard, or the trunk light staying on.

3. What causes the B255D code to appear?

Possible causes include a faulty decklid open position sensor, damaged wiring or connectors in the circuit, or a malfunctioning trunk latch assembly.

4. Can I drive with the B255D code active?

Yes, you can drive with this code, but it may cause inconvenience, such as the trunk not functioning correctly or draining the battery if interior lights stay on.

5. How do you diagnose the B255D code?

Diagnosis involves visually inspecting the wiring and connectors, testing the decklid open position sensor, and using a scan tool to monitor sensor readings.

6. Can a faulty trunk latch cause the B255D code?

Yes, a malfunctioning trunk latch assembly can cause improper sensor readings, triggering the B255D code.

7. How do you fix the B255D code?

Repairs may include replacing the decklid open position sensor, repairing damaged wiring or connectors, or replacing the trunk latch assembly if faulty.

8. What tools are needed to troubleshoot the B255D code?

You’ll need a scan tool, a multimeter for testing electrical connections, and possibly basic hand tools for accessing the trunk components.

9. How much does it cost to repair the B255D code?

Repair costs vary depending on the issue but can range from $50 for minor wiring fixes to $200-$500 if the sensor or latch assembly needs replacement.

10. Can a blown fuse cause the B255D code?

While unlikely, it's worth checking the fuses related to the trunk latch or position sensor circuit as part of the diagnostic process.

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