B1533 – OBD-II DTC

OBD-II DTC B1533 – Memory 1 Switch Circuit Short To Battery

DTC B1533 meaning

DTC B1533 refers to a diagnostic trouble code indicating a fault in the memory 1 switch circuit, which is shorted to battery voltage. This code is typically associated with the vehicle’s body control module (BCM) and is related to the operation of memory seat functions or other electronic components that rely on this switch circuit.

DTC B1533 symptoms

Common symptoms associated with DTC B1533 may include:

• Memory seat functions not operating correctly
• Inability to save or recall seat positions
• Warning lights illuminated on the dashboard
• Other electronic components malfunctioning

DTC B1533 causes

Several factors can lead to the triggering of DTC B1533, including:

• Short circuit in the memory 1 switch circuit
• Faulty memory switch or wiring
• Corroded connectors or terminals
• Issues within the body control module (BCM)

DTC B1533 seriousness

DTC B1533 is considered a moderate issue. While it may not affect the vehicle’s drivability, it can lead to inconvenience due to malfunctioning memory seat functions and may indicate underlying electrical problems that could worsen over time.

How to diagnose DTC B1533

To diagnose DTC B1533, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the code.
2. Inspect the memory 1 switch and associated wiring for visible damage or corrosion.
3. Check the connectors for proper seating and signs of wear.
4. Test the memory switch for continuity and proper operation.
5. Examine the body control module for any faults or issues.
6. Clear the code and perform a test drive to see if the code returns.

How to fix DTC B1533 step-by-step instructions

To fix DTC B1533, 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 1 switch.
3. Replace the memory switch if it is found to be faulty.
4. Check the body control module for any updates or faults replace if necessary.
5. Reconnect the battery and clear the DTC using an OBD-II scanner.
6. Test the memory seat functions to ensure they operate correctly.

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