What this code means

Malfunction in the brake actuator used by the pre-collision system to automatically apply brakes.

Symptoms

• PCS warning light
• Automatic braking will not activate
• Pre-collision system disabled

Common causes

• Brake actuator solenoid failure
• ABS modulator fault affecting PCS
• Wiring to actuator damaged
• Actuator mechanically stuck

Diagnostic steps

1. Test brake actuator solenoid resistance
2. Command actuator with scan tool
3. Check for ABS codes that disable PCS
4. Inspect actuator wiring
5. Test brake pressure response to PCS command

Repair notes

Replace brake actuator or repair ABS modulator. PCS brake actuation may use the ABS hydraulic unit.

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