OBD-II DTC B2357 – Driver Window Down Current Sense Low Circuit Failure
DTC B2357 meaning
DTC B2357 refers to a diagnostic trouble code indicating a “Driver Window Down Current Sense Low Circuit Failure.” This code is generated when the vehicle’s onboard diagnostic system detects an issue with the current flowing through the driver’s window motor circuit when the window is being lowered. The system expects a certain level of current to be present, and if it falls below this threshold, the code is triggered.
DTC B2357 symptoms
Common symptoms associated with DTC B2357 may include:
- The driver’s window may not operate at all.
- The window may move slowly or intermittently.
- Other window functions, such as auto-up or auto-down, may be disabled.
- Warning lights may illuminate on the dashboard.
DTC B2357 causes
Several factors can lead to the triggering of DTC B2357, including:
- A faulty window motor.
- Wiring issues, such as frayed or damaged wires.
- Corroded or loose electrical connections.
- Faulty window switch.
- Issues with the vehicle’s body control module (BCM).
DTC B2357 seriousness
DTC B2357 is considered a moderate issue. While it may not affect the vehicle’s overall drivability, it can lead to inconvenience due to the inoperability of the driver’s window. Additionally, if left unaddressed, it may indicate underlying electrical problems that could affect other systems in the vehicle.
How to diagnose DTC B2357
To diagnose DTC B2357, follow these steps:
- Use an OBD-II scanner to confirm the presence of the code.
- Inspect the window motor and wiring for visible damage.
- Check the electrical connections for corrosion or looseness.
- Test the window switch for proper operation.
- Measure the current flowing to the window motor while operating the switch.
- Examine the body control module for any faults or issues.
How to fix DTC B2357 step-by-step instructions
To fix DTC B2357, follow these steps:
- Start by disconnecting the vehicle’s battery to ensure safety.
- Inspect and repair any damaged wiring or connections related to the window motor.
- Replace the window motor if it is found to be faulty.
- Test the window switch and replace it if necessary.
- Reconnect the battery and clear the DTC using an OBD-II scanner.
- Test the window operation to ensure it functions correctly.
How to erase DTC B2357
To erase DTC B2357, follow these steps:
- Connect an OBD-II scanner to the vehicle’s diagnostic port.
- Turn on the ignition without starting the engine.
- Navigate to the “Erase Codes” or “Clear DTCs” option on the scanner.
- Confirm the action to clear the trouble codes.
- Disconnect the scanner and start the vehicle to verify that the code does not return.
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