B2535 – OBD-II DTC

OBD-II DTC B2535 – Right Rear Turn Lamp Circuit Failure

DTC B2535 meaning

DTC B2535 refers to a fault in the right rear turn lamp circuit. This diagnostic trouble code indicates that the vehicle’s onboard diagnostic system has detected an issue with the electrical circuit responsible for the right rear turn signal. The problem may involve the bulb, wiring, connectors, or the control module that manages the turn signal operation.

DTC B2535 symptoms

Common symptoms associated with DTC B2535 may include:

  • Right rear turn signal not functioning
  • Turn signal indicator on the dashboard may not illuminate
  • Possible hyper-flashing of the turn signal lights
  • Other related warning lights may appear on the dashboard

DTC B2535 causes

Several factors can lead to the triggering of DTC B2535, including:

  • Burnt out right rear turn signal bulb
  • Corroded or damaged wiring in the turn lamp circuit
  • Faulty connectors or terminals
  • Malfunctioning turn signal relay or control module
  • Issues with the vehicle’s body control module (BCM)

DTC B2535 seriousness

DTC B2535 is considered a moderate issue. While it may not immediately affect the vehicle’s drivability, it poses a safety risk due to the malfunctioning turn signal. This can lead to miscommunication with other drivers, increasing the likelihood of accidents. It is advisable to address this issue promptly to ensure safe operation of the vehicle.

How to diagnose DTC B2535

To diagnose DTC B2535, follow these steps:

  1. Use an OBD-II scanner to confirm the presence of DTC B2535.
  2. Inspect the right rear turn signal bulb for any signs of damage or burnout.
  3. Check the wiring and connectors for corrosion, damage, or loose connections.
  4. Test the voltage and ground at the turn signal socket using a multimeter.
  5. Examine the turn signal relay and control module for proper operation.
  6. Clear the DTC and perform a function test to see if the code returns.

How to fix DTC B2535 step-by-step instructions

To fix DTC B2535, follow these step-by-step instructions:

  1. Replace the right rear turn signal bulb if it is burnt out.
  2. Repair or replace any damaged wiring or connectors in the turn lamp circuit.
  3. Ensure all connections are secure and free of corrosion.
  4. If necessary, replace the turn signal relay or control module.
  5. Reconnect the battery if it was disconnected during repairs.
  6. Use an OBD-II scanner to clear the DTC and test the turn signal operation.

How to erase DTC B2535

To erase DTC B2535, 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 “Erase Codes” or “Clear DTCs” option on the scanner.
  4. Confirm the action to clear the trouble codes.
  5. Disconnect the scanner and start the vehicle to verify that the code does not return.

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