B1537 – OBD-II DTC

OBD-II DTC B1537 – Memory 2 Switch Circuit Short To Battery

DTC B1537 meaning

DTC B1537 refers to a diagnostic trouble code indicating a short circuit in the Memory 2 switch circuit to battery. This code is typically associated with the vehicle’s body control module (BCM) and is related to the functionality of memory seat settings or other electronic features that rely on the Memory 2 switch. When this code is triggered, it suggests that there is an electrical fault causing the circuit to remain continuously energized, which can lead to improper operation of the associated features.

DTC B1537 symptoms

Common symptoms associated with DTC B1537 may include:

• Memory seat settings not functioning correctly
• Inability to save or recall seat positions
• Warning lights illuminated on the dashboard
• Other electronic features malfunctioning

DTC B1537 causes

The causes of DTC B1537 can vary, but typical reasons include:

• Short circuit in the Memory 2 switch circuit
• Faulty Memory 2 switch
• Damaged wiring or connectors in the circuit
• Issues with the body control module (BCM)

DTC B1537 seriousness

DTC B1537 is considered a moderate issue. While it may not affect the vehicle’s drivability, it can lead to inconvenience due to malfunctioning electronic features. Ignoring this code may result in further electrical problems or damage to the BCM over time.

How to diagnose DTC B1537

To diagnose DTC B1537, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the DTC.
2. Inspect the Memory 2 switch and its wiring for visible damage or corrosion.
3. Check the continuity of the circuit using a multimeter.
4. Test the Memory 2 switch for proper operation.
5. Examine the body control module for any faults or error codes.

How to fix DTC B1537 step-by-step instructions

To fix DTC B1537, follow these steps:

1. Disconnect the vehicle’s battery to ensure safety.
2. Inspect and repair any damaged wiring or connectors in the Memory 2 switch circuit.
3. Replace the Memory 2 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 2 switch functionality to ensure proper operation.

How to erase DTC B1537

To erase DTC B1537, 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 DTC menu on the scanner.
4. Select the option to clear or erase the trouble 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 return.

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