B1828 – OBD-II DTC

OBD-II DTC B1828 – Wiper Rear High Limit Input Circuit Short To Battery

DTC B1828 meaning

DTC B1828 refers to a diagnostic trouble code indicating a problem with the rear wiper’s high limit input circuit. Specifically, it suggests that there is a short circuit in the input circuit that connects to the battery, which can lead to improper functioning of the rear wiper system.

DTC B1828 symptoms

Common symptoms associated with DTC B1828 may include:

• Rear wiper not functioning at all
• Rear wiper operating continuously
• Intermittent operation of the rear wiper
• Dashboard warning lights illuminated

DTC B1828 causes

Several factors can lead to the occurrence of DTC B1828, including:

• Short circuit in the rear wiper high limit input circuit
• Faulty rear wiper motor
• Damaged wiring or connectors in the circuit
• Malfunctioning body control module (BCM)

DTC B1828 seriousness

DTC B1828 is considered a moderate to serious issue. While it may not affect the vehicle’s overall drivability, it can impair visibility during inclement weather if the rear wiper is inoperative. Addressing this code promptly is essential for safety and functionality.

How to diagnose DTC B1828

To diagnose DTC B1828, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the code.
2. Inspect the rear wiper motor and its connections for any visible damage.
3. Check the wiring harness for shorts or frayed wires.
4. Test the rear wiper switch for proper operation.
5. Examine the body control module for faults or issues.

How to fix DTC B1828 step-by-step instructions

To fix DTC B1828, follow these step-by-step instructions:

1. Disconnect the vehicle’s battery to ensure safety.
2. Inspect and repair any damaged wiring or connectors in the rear wiper circuit.
3. Replace the rear wiper motor if it is found to be faulty.
4. Test the rear wiper switch and replace it if necessary.
5. Reconnect the battery and clear the DTC using an OBD-II scanner.
6. Test the rear wiper operation to ensure proper functionality.

How to erase DTC B1828

To erase DTC B1828, 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 trouble codes.
5. Confirm the action and wait for the scanner to complete the process.
6. Disconnect the scanner and start the vehicle to verify that the code does not reappear.

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