B2336 – OBD-II DTC

OBD-II DTC B2336 – Mirror Switch Assembly Circuit Failure

DTC B2336 meaning

DTC B2336 refers to a fault in the mirror switch assembly circuit. This diagnostic trouble code indicates that the vehicle’s onboard diagnostic system has detected an issue with the electrical circuit that controls the mirror switch, which is responsible for adjusting the position of the side mirrors. The code is specific to the mirror switch assembly and may affect the functionality of the mirrors.

DTC B2336 symptoms

Common symptoms associated with DTC B2336 may include:

  • Inability to adjust the side mirrors
  • Mirror position remains fixed
  • Intermittent or erratic mirror movement
  • Warning lights on the dashboard related to the mirror system

DTC B2336 causes

Several factors can lead to the occurrence of DTC B2336, including:

  • Faulty mirror switch assembly
  • Wiring issues, such as shorts or open circuits
  • Corrosion or damage in the electrical connectors
  • Faulty body control module (BCM)
  • Software issues in the vehicle’s control systems

DTC B2336 seriousness

The seriousness of DTC B2336 can vary depending on the vehicle’s use and the driver’s reliance on the side mirrors. While it may not pose an immediate safety risk, it can lead to visibility issues, making it difficult to change lanes or park safely. Therefore, it is advisable to address this code promptly to ensure proper mirror functionality.

How to diagnose DTC B2336

To diagnose DTC B2336, follow these steps:

  1. Use an OBD-II scanner to confirm the presence of the DTC.
  2. Inspect the mirror switch assembly for visible damage or wear.
  3. Check the wiring and connectors for signs of corrosion or disconnection.
  4. Test the mirror switch with a multimeter to ensure it is functioning correctly.
  5. Examine the body control module for any faults or software issues.
  6. Clear the DTC and perform a road test to see if the code returns.

How to fix DTC B2336 step-by-step instructions

To fix DTC B2336, follow these step-by-step instructions:

  1. Disconnect the vehicle’s battery to ensure safety while working on electrical components.
  2. Inspect and repair any damaged wiring or connectors related to the mirror switch assembly.
  3. If the mirror switch is faulty, replace it with a new one.
  4. Reconnect the battery and clear the DTC using an OBD-II scanner.
  5. Test the mirror switch functionality to ensure proper operation.
  6. If the issue persists, consider checking or replacing the body control module.

How to erase DTC B2336

To erase DTC B2336, follow these steps:

  1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
  2. Turn on the ignition without starting the engine.
  3. Navigate to the DTC menu on the scanner and select the option to clear or erase codes.
  4. Confirm the action and wait for the scanner to complete the process.
  5. Disconnect the scanner and perform a test drive to ensure the code does not return.

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