Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
BASS Data List
- BASS High During Learn
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The scan tool displays NO/YES. If a short to battery positive voltage is detected in the stop lamp switch signal circuit during calibration, then the scan tool will display YES.
- BASS Learned
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The scan tool displays NO/YES. When the brake pedal position sensor has been calibrated correctly, the scan tool will display YES.
- BASS Low During Learn
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The scan tool displays NO/YES. If a short to ground is detected in the stop lamp switch signal circuit during calibration, then the scan tool will display YES.
- BASS Moved During Learn
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If the brake pedal is moved during calibration, the scan tool will display YES.
- BASS Valid
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The scan tool displays NO/YES. When the brake pedal position sensor has been calibrated correctly, the scan tool will display YES.
- Brake Lamp
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The scan tool displays ON/OFF. When the brake is applied the scan tool will display ON.
- Current Position
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The scan tool displays COUNTS. The brake pedal position sensor applies a varying voltage to the BCM. The BCM then calculates the current position of the brake pedal.
- Learned Home Position
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The scan tool displays COUNTS. The BCM displays the home position of the brake pedal position sensor.
- Learn in Progress
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The scan tool displays NO/YES. When the brake pedal position sensor is being calibrated, the scan tool will display YES.
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.