B1824 – OBD-II DTC

OBD-II DTC B1824 – Wiper Rear Park Sense Input Circuit Short To Battery

DTC B1824 meaning

DTC B1824 refers to a diagnostic trouble code indicating a problem with the rear wiper park sense input circuit. Specifically, it signifies a short circuit to battery voltage in the circuit responsible for detecting the position of the rear wiper when it is in the parked position. This code is typically associated with vehicles equipped with rear wipers that have a park feature.

DTC B1824 symptoms

Common symptoms associated with DTC B1824 may include:

• Rear wiper not functioning properly
• Rear wiper not returning to the park position
• Intermittent operation of the rear wiper
• Dashboard warning lights illuminated

DTC B1824 causes

Several factors can lead to the triggering of DTC B1824, including:

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

DTC B1824 seriousness

The seriousness of DTC B1824 can vary. While it may not pose an immediate safety risk, it can lead to reduced visibility in adverse weather conditions if the rear wiper is inoperative. It is advisable to address this issue promptly to ensure proper functionality of the rear wiper system.

How to diagnose DTC B1824

To diagnose DTC B1824, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the DTC.
2. Inspect the rear wiper motor and its connections for any visible damage.
3. Check the wiring harness for shorts or breaks.
4. Test the rear wiper park sense input circuit for continuity and proper voltage.
5. Examine the body control module for any faults or software issues.

How to fix DTC B1824 step-by-step instructions

To fix DTC B1824, follow these steps:

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. Reconnect the battery and clear the DTC using an OBD-II scanner.
5. Test the rear wiper operation to ensure it functions correctly.

How to erase DTC B1824

To erase DTC B1824, 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 trouble codes.
4. Confirm the action and wait for the scanner to complete the process.
5. Disconnect the scanner and perform a test drive to ensure the code does not return.

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