B1735 – OBD-II DTC

OBD-II DTC B1735 – Mirror Driver Vertical Switch Circuit Short To Battery

DTC B1735 meaning

DTC B1735 refers to a diagnostic trouble code indicating a short circuit in the mirror driver vertical switch circuit, which is typically related to the power mirror adjustment system in a vehicle. This code suggests that there is an electrical fault where the circuit is shorted to battery voltage, causing the system to malfunction.

DTC B1735 symptoms

Common symptoms associated with DTC B1735 may include:

  • Inability to adjust the side mirrors.
  • Mirrors stuck in one position.
  • Mirror adjustment switch not responding.
  • Warning lights on the dashboard related to the mirror system.

DTC B1735 causes

Several factors can lead to the occurrence of DTC B1735, including:

  • Faulty mirror driver vertical switch.
  • Wiring issues, such as frayed or damaged wires.
  • Corrosion or poor connections in the electrical circuit.
  • Short circuits due to moisture or foreign objects.
  • Defective power mirror motor.

DTC B1735 seriousness

The seriousness of DTC B1735 can vary. While it may not pose an immediate safety risk, it can lead to reduced visibility if the mirrors cannot be adjusted properly. It is advisable to address this issue promptly to ensure safe driving conditions.

How to diagnose DTC B1735

To diagnose DTC B1735, follow these steps:

  1. Use an OBD-II scanner to confirm the presence of the code.
  2. Inspect the mirror adjustment switch for physical damage.
  3. Check the wiring and connectors for signs of wear or corrosion.
  4. Test the mirror driver vertical switch for continuity and proper function.
  5. Examine the power mirror motor for any faults.
  6. Clear the code and perform a function test to see if the issue reoccurs.

How to fix DTC B1735 step-by-step instructions

To fix DTC B1735, follow these steps:

  1. Disconnect the vehicle’s battery to ensure safety.
  2. Inspect and repair any damaged wiring or connectors in the mirror circuit.
  3. Replace the faulty mirror driver vertical switch if necessary.
  4. Test the power mirror motor and replace it if it is defective.
  5. Reconnect the battery and clear the DTC using an OBD-II scanner.
  6. Test the mirror adjustment system to ensure proper functionality.

How to erase DTC B1735

To erase DTC B1735, 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 trouble codes section on the scanner.
  4. Select the option to clear or erase the codes.
  5. Confirm the action and wait for the scanner to complete the process.
  6. Disconnect the scanner and start the vehicle to check if the code returns.

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