B1460 – OBD-II DTC

OBD-II DTC B1460 – Wiper Washer Pump Motor Relay Coil Circuit Short To Battery

DTC B1460 meaning

DTC B1460 refers to a diagnostic trouble code indicating a short circuit in the wiper washer pump motor relay coil circuit to the battery. This code is generated when the vehicle’s onboard diagnostic system detects an abnormal voltage condition in the relay circuit, which can lead to improper operation of the wiper washer system.

DTC B1460 symptoms

Common symptoms associated with DTC B1460 may include:

• Wiper washer pump not functioning
• Wipers may not operate correctly
• Inconsistent or no spray from the washer system
• Dashboard warning lights may illuminate

DTC B1460 causes

Several factors can lead to the occurrence of DTC B1460, including:

• Short circuit in the wiper washer pump motor relay coil circuit
• Faulty wiper washer pump motor
• Damaged wiring or connectors in the circuit
• Defective relay
• Corrosion or poor connections in the electrical system

DTC B1460 seriousness

DTC B1460 is considered a moderate issue. While it may not pose an immediate safety risk, it can affect visibility during adverse weather conditions if the wiper washer system is inoperative. Addressing this code promptly is advisable to ensure proper vehicle operation.

How to diagnose DTC B1460

To diagnose DTC B1460, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the code.
2. Inspect the wiper washer pump motor relay and its connections for damage or corrosion.
3. Check the wiring for shorts or breaks in the circuit.
4. Test the wiper washer pump motor for proper operation.
5. Measure voltage at the relay and pump to ensure they are receiving the correct power.

How to fix DTC B1460 step-by-step instructions

To fix DTC B1460, follow these steps:

1. Disconnect the battery to ensure safety while working on the electrical system.
2. Inspect and repair any damaged wiring or connectors in the wiper washer pump motor relay circuit.
3. Replace the wiper washer pump motor if it is found to be faulty.
4. Replace the relay if it is defective.
5. Reconnect the battery and clear the DTC using an OBD-II scanner.
6. Test the wiper washer system to ensure proper operation.

How to erase DTC B1460

To erase DTC B1460, 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 option to clear or erase trouble codes on the scanner.
4. Confirm the action to erase the code.
5. Disconnect the scanner and start the vehicle to check if the code reappears.

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