B2244 – OBD-II DTC

OBD-II DTC B2244 – Driver Sliding Door Ajar Circuit Short to GND

DTC B2244 meaning

DTC B2244 refers to a diagnostic trouble code indicating a problem with the driver sliding door ajar circuit. Specifically, it signifies that the circuit is shorted to ground, which means that the electrical signal intended to indicate the door’s status is being interrupted or altered by an unintended connection to the ground. This can prevent the vehicle’s system from accurately detecting whether the sliding door is open or closed.

DTC B2244 symptoms

Common symptoms associated with DTC B2244 may include:

  • Warning lights on the dashboard, such as the door ajar light.
  • Inability to lock or unlock the sliding door electronically.
  • Audible alerts indicating the door is ajar when it is closed.
  • Malfunctioning interior lights that do not turn off when the door is closed.

DTC B2244 causes

Several factors can lead to the occurrence of DTC B2244, including:

  • A short circuit in the wiring harness related to the sliding door.
  • Faulty door ajar switch that fails to provide the correct signal.
  • Corrosion or damage to electrical connectors.
  • Issues with the vehicle’s body control module (BCM) that processes the door status signals.

DTC B2244 seriousness

The seriousness of DTC B2244 can vary. While it may not pose an immediate safety risk, it can lead to inconvenience and potential security issues, such as the inability to secure the vehicle properly. Additionally, if the door is not detected as closed, it may cause other systems to malfunction, leading to further complications.

How to diagnose DTC B2244

To diagnose DTC B2244, follow these steps:

  • Use an OBD-II scanner to confirm the presence of the DTC.
  • Inspect the wiring and connectors associated with the driver sliding door for any visible damage or corrosion.
  • Test the door ajar switch for proper operation using a multimeter.
  • Check for any additional codes that may provide more context to the issue.
  • Perform a continuity test on the circuit to identify any shorts to ground.

How to fix DTC B2244 step-by-step instructions

To fix DTC B2244, follow these step-by-step instructions:

  • Disconnect the vehicle’s battery to ensure safety while working on the electrical system.
  • Inspect the wiring harness for the driver sliding door for any signs of wear, fraying, or damage.
  • Repair or replace any damaged wiring or connectors found during the inspection.
  • Test the door ajar switch for functionality and replace it if it is faulty.
  • Reconnect the battery and clear the DTC using an OBD-II scanner.
  • Test the sliding door operation to ensure the issue is resolved.

How to erase DTC B2244

To erase DTC B2244, follow these steps:

  • Connect an OBD-II scanner to the vehicle’s diagnostic port.
  • Turn on the vehicle’s ignition without starting the engine.
  • Navigate to the option to clear or erase trouble codes on the scanner.
  • Confirm the action to erase the DTC.
  • Disconnect the scanner and start the vehicle to ensure the code does not reappear.

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