B1987 – OBD-II DTC

OBD-II DTC B1987 – Pedal Forward / Rearward Motor Stalled

DTC B1987 meaning

DTC B1987 refers to a diagnostic trouble code indicating that the pedal forward/rearward motor has stalled. This code is typically associated with vehicles equipped with adjustable pedals, which allow the driver to move the pedals closer or further away for comfort and control. When the system detects that the motor responsible for this adjustment is not functioning correctly, it triggers the B1987 code.

DTC B1987 symptoms

Common symptoms associated with DTC B1987 may include:

• Inability to adjust the pedal position.
• Warning lights illuminated on the dashboard.
• Unusual noises from the pedal assembly when attempting to adjust.
• Pedal position may be stuck in one location.

DTC B1987 causes

Several factors can lead to the occurrence of DTC B1987, including:

• Faulty pedal adjustment motor.
• Wiring issues, such as shorts or open circuits in the motor circuit.
• Defective pedal position sensor.
• Software glitches in the vehicle’s control module.
• Mechanical obstructions preventing the motor from moving.

DTC B1987 seriousness

The seriousness of DTC B1987 can vary depending on the situation. While it may not pose an immediate safety risk, it can affect driving comfort and control. If the pedal position cannot be adjusted, it may lead to an uncomfortable driving experience, especially for drivers of different heights. It is advisable to address this issue promptly to ensure optimal vehicle operation.

How to diagnose DTC B1987

To diagnose DTC B1987, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the B1987 code.
2. Inspect the pedal adjustment motor and its wiring for visible damage or disconnections.
3. Check the pedal position sensor for proper operation.
4. Test the motor’s electrical connections for continuity and proper voltage.
5. Examine the vehicle’s control module for any software updates or faults.

How to fix DTC B1987 step-by-step instructions

To fix DTC B1987, follow these step-by-step instructions:

1. Clear the DTC using an OBD-II scanner.
2. Test the pedal adjustment motor by applying direct power to it to see if it operates.
3. If the motor does not operate, replace it with a new one.
4. Inspect and repair any damaged wiring or connectors related to the motor.
5. Replace the pedal position sensor if it is found to be faulty.
6. Recheck the system for any software updates or reprogramming needed for the control module.
7. After repairs, clear the DTC again and perform a test drive to ensure the issue is resolved.

How to erase DTC B1987

To erase DTC B1987, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn the ignition key to the “On” position without starting the engine.
3. Access the scanner’s menu and 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 start the vehicle to ensure the code does not reappear.

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