B2252 – OBD-II DTC

OBD-II DTC B2252 – Parklamp Output Relay Dirver Short to Battery

DTC B2252 meaning

DTC B2252 refers to a diagnostic trouble code indicating a short circuit in the park lamp output relay driver circuit to battery. 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 that the park lamp output relay driver is continuously receiving voltage, it triggers this code.

DTC B2252 symptoms

Common symptoms associated with DTC B2252 may include:

• Park lamps not functioning or staying on continuously
• Dashboard warning lights illuminated
• Increased battery drain
• Possible malfunction of other lighting systems

DTC B2252 causes

Several factors can lead to the triggering of DTC B2252, including:

• Short circuit in the wiring harness
• Faulty park lamp output relay
• Defective control module
• Corroded or damaged connectors
• Improper installation of aftermarket lighting components

DTC B2252 seriousness

DTC B2252 can be considered serious due to its potential impact on vehicle safety and functionality. If the park lamps are malfunctioning, it may reduce visibility for the driver and other road users, increasing the risk of accidents. Additionally, a short circuit can lead to further electrical issues or battery drain, which may leave the vehicle inoperable.

How to diagnose DTC B2252

To diagnose DTC B2252, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the DTC.
2. Inspect the park lamp output relay and its connections for signs of damage or corrosion.
3. Check the wiring harness for shorts or breaks.
4. Test the park lamp output relay for proper operation.
5. Examine the control module for faults or software issues.

How to fix DTC B2252 step-by-step instructions

To fix DTC B2252, follow these steps:

1. Disconnect the vehicle’s battery to ensure safety.
2. Inspect and repair any damaged wiring or connectors in the park lamp circuit.
3. Replace the faulty park lamp output relay if necessary.
4. Check the control module for any updates or faults and replace if needed.
5. Reconnect the battery and clear the DTC using an OBD-II scanner.
6. Test the park lamps to ensure they function correctly.

How to erase DTC B2252

To erase DTC B2252, 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.
4. Select the option to clear or erase trouble codes.
5. Confirm the action and wait for the scanner to complete the process.
6. Disconnect the scanner and start the vehicle to ensure the code does not return.

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