B1536 – OBD-II DTC

OBD-II DTC B1536 – Memory 2 Switch Circuit Open

DTC B1536 meaning

DTC B1536 refers to a diagnostic trouble code indicating an issue with the Memory 2 Switch Circuit. This code is triggered when the vehicle’s onboard diagnostic system detects an open circuit in the switch that is responsible for controlling memory settings, typically related to power seats or mirrors. The “Memory 2” designation usually indicates a specific memory position that is not functioning correctly.

DTC B1536 symptoms

Common symptoms associated with DTC B1536 may include:

• Power seat or mirror not adjusting to the saved memory position.
• Inability to save new memory settings.
• Warning lights illuminated on the dashboard.
• Intermittent operation of the memory switch.

DTC B1536 causes

Several factors can lead to the triggering of DTC B1536, including:

• Faulty memory switch or control module.
• Wiring issues such as frayed or broken wires.
• Corrosion or poor connections in the circuit.
• Defective power seat or mirror motors.

DTC B1536 seriousness

The seriousness of DTC B1536 can vary. While it may not affect the vehicle’s overall drivability, it can lead to inconvenience due to the inability to adjust memory settings for seats or mirrors. If left unaddressed, it could potentially lead to further electrical issues or component failures.

How to diagnose DTC B1536

To diagnose DTC B1536, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the DTC.
2. Inspect the memory switch and associated wiring for visible damage.
3. Check for continuity in the wiring harness connected to the memory switch.
4. Test the memory switch for proper operation using a multimeter.
5. Examine the control module for any fault codes or issues.

How to fix DTC B1536 step-by-step instructions

To fix DTC B1536, follow these steps:

1. Disconnect the vehicle’s battery to ensure safety.
2. Inspect and repair any damaged wiring or connectors related to the memory switch.
3. Replace the memory switch if it is found to be faulty.
4. Reconnect the battery and clear the DTC using an OBD-II scanner.
5. Test the memory function to ensure it operates correctly.

How to erase DTC B1536

To erase DTC B1536, perform the following:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Access the trouble codes menu on the scanner.
3. Select the option to clear or erase codes.
4. Confirm the action and wait for the scanner to complete the process.
5. Disconnect the scanner and perform a test drive to ensure the code does not return.

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