C1287 – OBD-II DTC

OBD-II DTC C1287 – Booster Pedal Force switch circuit Failure

DTC C1287 meaning

DTC C1287 refers to a fault in the Booster Pedal Force switch circuit. This code indicates that the vehicle’s electronic control unit (ECU) has detected an issue with the signal from the booster pedal force switch, which is responsible for measuring the force applied to the brake pedal. This information is crucial for the proper functioning of various systems, including anti-lock braking systems (ABS) and electronic stability control (ESC).

DTC C1287 symptoms

Common symptoms associated with DTC C1287 may include:

• Illumination of the check engine light or ABS warning light
• Unresponsive or inconsistent brake pedal feel
• Activation of the traction control or stability control systems
• Potential issues with braking performance

DTC C1287 causes

Several factors can lead to the triggering of DTC C1287, including:

• Faulty booster pedal force switch
• Wiring issues, such as shorts or open circuits in the switch circuit
• Corrosion or poor connections in the electrical connectors
• Malfunctioning ECU or software issues

DTC C1287 seriousness

DTC C1287 is considered a moderate to serious issue. While it may not immediately affect the vehicle’s ability to operate, it can compromise braking performance and safety systems. It is essential to address this code promptly to ensure the vehicle remains safe to drive.

How to diagnose DTC C1287

To diagnose DTC C1287, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the DTC.
2. Inspect the booster pedal force switch and its wiring for visible damage or disconnections.
3. Check the electrical connectors for corrosion or poor connections.
4. Test the booster pedal force switch using a multimeter to ensure it operates within specifications.
5. Examine the ECU for any software updates or faults.

How to fix DTC C1287 step-by-step instructions

To fix DTC C1287, follow these steps:

1. Disconnect the vehicle’s battery to ensure safety while working on electrical components.
2. Inspect and repair or replace the booster pedal force switch if it is faulty.
3. Repair any damaged wiring or connectors associated with the switch circuit.
4. Reconnect the battery and clear the DTC using an OBD-II scanner.
5. Test drive the vehicle to ensure the issue is resolved and the warning lights do not reappear.

How to erase DTC C1287

To erase DTC C1287, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Access the diagnostic menu and locate the option to clear or erase trouble codes.
3. Select DTC C1287 and confirm the action to erase the code.
4. Disconnect the scanner and turn the vehicle off and back on to ensure the code does not return.

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