B1474 – OBD-II DTC

OBD-II DTC B1474 – Battery Saver Power Relay Circuit Short To Battery

DTC B1474 meaning

DTC B1474 refers to a diagnostic trouble code indicating a short circuit in the Battery Saver Power Relay Circuit. This code is triggered when the vehicle’s onboard diagnostic system detects that the power relay circuit is shorted directly to the battery, which can lead to excessive power draw and potential battery drain.

DTC B1474 symptoms

Common symptoms associated with DTC B1474 may include:

• Battery drain or dead battery issues
• Malfunctioning electrical components
• Warning lights on the dashboard
• Inconsistent operation of accessories

DTC B1474 causes

Several factors can lead to the triggering of DTC B1474, including:

• Shorted wiring in the battery saver relay circuit
• Faulty battery saver relay
• Corroded or damaged connectors
• Issues with the vehicle’s body control module (BCM)

DTC B1474 seriousness

DTC B1474 is considered a moderate to serious issue. If left unaddressed, it can lead to:

• Complete battery failure
• Increased risk of electrical system malfunctions
• Potential safety hazards due to malfunctioning components

How to diagnose DTC B1474

To diagnose DTC B1474, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the code.
2. Inspect the battery saver relay and its wiring for visible damage or corrosion.
3. Check the battery voltage and condition.
4. Test the battery saver relay operation using a multimeter.
5. Examine the body control module for faults or issues.

How to fix DTC B1474 step-by-step instructions

To fix DTC B1474, follow these steps:

1. Disconnect the vehicle’s battery to ensure safety.
2. Inspect and repair any damaged wiring or connectors in the battery saver relay circuit.
3. Replace the faulty battery saver relay if necessary.
4. Clean any corrosion from connectors and ensure a secure connection.
5. Reconnect the battery and clear the DTC using an OBD-II scanner.
6. Test the system to ensure the issue is resolved and the code does not return.

How to erase DTC B1474

To erase DTC B1474, 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 DTC.
5. Disconnect the scanner and start the vehicle to verify that the code does not reappear.

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