What this code means

General malfunction in the brake pedal position sensor, which provides analog brake apply data to the ABS/stability module.

Symptoms

• ABS warning light
• Stability control disabled
• Regenerative braking fault on hybrids
• Brake assist may not activate

Common causes

• Faulty brake pedal position sensor
• Sensor wiring damage
• Connector corrosion at sensor
• ABS module input failure

Diagnostic steps

1. Read brake pedal position with scan tool while pressing pedal
2. Check for smooth, proportional signal
3. Inspect sensor wiring and connector
4. Test sensor supply voltage
5. Check for related brake switch codes

Repair notes

Replace brake pedal position sensor. Verify smooth signal across full pedal travel.

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