B1695 – OBD-II DTC

OBD-II DTC B1695 – Autolamp On Circuit Short To Battery

DTC B1695 meaning

DTC B1695 refers to a diagnostic trouble code indicating a short circuit in the autolamp on circuit to battery. This code is triggered when the vehicle’s onboard diagnostic system detects that the autolamp circuit is receiving voltage directly from the battery, which is not the intended operation. The autolamp feature is designed to automatically turn on the vehicle’s lights under certain conditions, and a short to battery can disrupt this functionality.

DTC B1695 symptoms

Common symptoms associated with DTC B1695 may include:

• Autolamps not functioning correctly
• Headlights or taillights staying on continuously
• Dashboard warning lights illuminated
• Increased battery drain

DTC B1695 causes

Several factors can lead to the triggering of DTC B1695, including:

• Wiring issues such as frayed or damaged wires
• Faulty autolamp relay or switch
• Corrosion or poor connections in the electrical system
• Short circuits in the lighting control module

DTC B1695 seriousness

DTC B1695 can be considered a moderate to serious issue. While it may not immediately affect the drivability of the vehicle, it can lead to:

• Increased risk of battery drain
• Potential for electrical system damage
• Inability to use the autolamp feature, affecting visibility

How to diagnose DTC B1695

To diagnose DTC B1695, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the code.
2. Inspect the wiring and connectors related to the autolamp circuit for damage or corrosion.
3. Check the autolamp relay and switch for proper operation.
4. Test the voltage at the autolamp circuit to determine if it is receiving battery voltage when it should not.
5. Examine the lighting control module for faults or short circuits.

How to fix DTC B1695 step-by-step instructions

To fix DTC B1695, follow these step-by-step instructions:

1. Disconnect the vehicle’s battery to ensure safety while working on the electrical system.
2. Inspect and repair any damaged wiring or connectors in the autolamp circuit.
3. Replace the autolamp relay or switch if found to be faulty.
4. Clean any corrosion from connectors and ensure all connections are secure.
5. Reconnect the battery and clear the DTC using an OBD-II scanner.
6. Test the autolamp feature to ensure it operates correctly.

How to erase DTC B1695

To erase DTC B1695, 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 ensure the code does not reappear.

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