B1480 – OBD-II DTC

OBD-II DTC B1480 – Wiper Washer Fluid Level Sensor Circuit Open

DTC B1480 meaning

DTC B1480 refers to a diagnostic trouble code indicating an open circuit in the wiper washer fluid level sensor. This sensor is responsible for monitoring the fluid level in the washer reservoir and sending signals to the vehicle’s onboard computer. When the circuit is open, the system cannot accurately determine the fluid level, leading to this error code being triggered.

DTC B1480 symptoms

Common symptoms associated with DTC B1480 may include:

  • Warning light on the dashboard indicating low washer fluid
  • Inability to activate the windshield washer system
  • Erratic or inconsistent washer fluid level readings
  • Possible malfunction of the wiper system

DTC B1480 causes

The causes of DTC B1480 can include:

  • Faulty wiper washer fluid level sensor
  • Damaged or corroded wiring in the sensor circuit
  • Loose or disconnected electrical connectors
  • Issues with the vehicle’s body control module (BCM)

DTC B1480 seriousness

DTC B1480 is generally considered a moderate issue. While it may not affect the vehicle’s overall performance, it can lead to reduced visibility due to a lack of washer fluid, especially in adverse weather conditions. Addressing this code promptly is advisable to ensure safe driving conditions.

How to diagnose DTC B1480

To diagnose DTC B1480, follow these steps:

  1. Use an OBD-II scanner to confirm the presence of the B1480 code.
  2. Inspect the wiper washer fluid level sensor and its wiring for any visible damage.
  3. Check the electrical connectors for corrosion or loose connections.
  4. Test the sensor with a multimeter to ensure it is functioning correctly.
  5. Examine the body control module for any related fault codes or issues.

How to fix DTC B1480 step-by-step instructions

To fix DTC B1480, follow these steps:

  1. Disconnect the vehicle’s battery to ensure safety.
  2. Inspect and repair any damaged wiring or connectors related to the wiper washer fluid level sensor.
  3. If the sensor is faulty, replace it with a new one.
  4. Reconnect all electrical connections securely.
  5. Reconnect the battery and clear the DTC using an OBD-II scanner.
  6. Test the washer fluid system to ensure proper operation.

How to erase DTC B1480

To erase DTC B1480, 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 ensure the code does not reappear.

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