B2241 – OBD-II DTC

OBD-II DTC B2241 – Rear Cargo Door Lock Circuit Short to Ground

DTC B2241 meaning

DTC B2241 refers to a diagnostic trouble code indicating a short circuit to ground in the rear cargo door lock circuit. This code is part of the On-Board Diagnostics II (OBD-II) system, which monitors various vehicle components and systems for faults. When the vehicle’s control module detects an abnormal voltage level in the rear cargo door lock circuit, it triggers this code to alert the technician of a potential issue.

DTC B2241 symptoms

Common symptoms associated with DTC B2241 may include:

  • Inability to lock or unlock the rear cargo door using the key fob or interior switch.
  • Warning lights on the dashboard related to the door lock system.
  • Intermittent operation of the rear cargo door lock.
  • Unusual noises from the locking mechanism when attempting to operate it.

DTC B2241 causes

Several factors can lead to the triggering of DTC B2241, including:

  • A short circuit in the wiring harness connected to the rear cargo door lock.
  • Faulty door lock actuator.
  • Corroded or damaged connectors in the door lock circuit.
  • Issues with the vehicle’s body control module (BCM) that manages the locking system.

DTC B2241 seriousness

The seriousness of DTC B2241 can vary based on the vehicle’s use and the specific symptoms present. However, it is generally considered a moderate issue because:

  • It affects the security of the vehicle, as the rear cargo door may not lock properly.
  • It can lead to further electrical issues if not addressed promptly.
  • It may prevent access to the cargo area if the door cannot be opened or closed properly.

How to diagnose DTC B2241

To diagnose DTC B2241, follow these steps:

  1. Use an OBD-II scanner to confirm the presence of DTC B2241.
  2. Inspect the wiring and connectors associated with the rear cargo door lock for any visible damage or corrosion.
  3. Check the door lock actuator for proper operation.
  4. Test the voltage and ground at the door lock circuit using a multimeter.
  5. Examine the body control module for any faults or issues.

How to fix DTC B2241 step-by-step instructions

To fix DTC B2241, follow these step-by-step instructions:

  1. Disconnect the vehicle’s battery to ensure safety while working on the electrical system.
  2. Inspect and repair any damaged wiring or connectors in the rear cargo door lock circuit.
  3. If the door lock actuator is faulty, replace it with a new one.
  4. Reconnect all connectors and ensure they are secure.
  5. Reconnect the vehicle’s battery.
  6. Clear the DTC using an OBD-II scanner and test the rear cargo door lock operation.

How to erase DTC B2241

To erase DTC B2241, follow these steps:

  1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
  2. Turn on the vehicle’s ignition without starting the engine.
  3. Navigate to the “Erase Codes” or “Clear DTCs” option on the scanner.
  4. Confirm the action to erase the trouble codes.
  5. Disconnect the scanner and start the vehicle to ensure the code does not reappear.

Recommended tools for OBD-II diagnostics

Explore our expert picks: The Best OBD2 Scanners for 2025

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.