B1350 – OBD-II DTC

OBD-II DTC B1350 – Heated Backlite Relay Short To Ground

DTC B1350 meaning

DTC B1350 refers to a diagnostic trouble code indicating a short circuit to ground in the heated backlite relay circuit. This code is part of the On-Board Diagnostics II (OBD-II) system, which monitors various vehicle components and systems for faults. The heated backlite relay is responsible for controlling the heating element in the rear window, helping to defrost or de-ice it for improved visibility.

DTC B1350 symptoms

Common symptoms associated with DTC B1350 may include:

• Inoperative heated rear window
• Dashboard warning lights illuminated
• Possible issues with other electrical components

DTC B1350 causes

Several factors can lead to the triggering of DTC B1350, including:

• Short circuit in the wiring harness
• Faulty heated backlite relay
• Corroded or damaged connectors
• Malfunctioning control module

DTC B1350 seriousness

The seriousness of DTC B1350 can vary. While it may not affect the vehicle’s drivability, it can lead to reduced visibility due to an inoperative heated rear window, especially in cold or inclement weather. Addressing this issue promptly is advisable to ensure safety and functionality.

How to diagnose DTC B1350

To diagnose DTC B1350, 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 heated backlite relay for damage or corrosion.
3. Test the heated backlite relay for proper operation.
4. Check for any additional codes that may indicate related issues.
5. Perform continuity tests on the wiring to identify any shorts to ground.

How to fix DTC B1350 step-by-step instructions

To fix DTC B1350, follow these steps:

1. Disconnect the vehicle’s battery to ensure safety.
2. Inspect and repair any damaged wiring or connectors found during diagnosis.
3. Replace the heated backlite relay if it is found to be faulty.
4. Reconnect the battery and clear the DTC using an OBD-II scanner.
5. Test the heated rear window to ensure it operates correctly.

How to erase DTC B1350

To erase DTC B1350, follow these steps:

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 start the vehicle to verify that the code does not reappear.

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