What this code means

Low signal in the brake apply circuit indicates the module does not see brake application.

Symptoms

• Cruise control inoperative
• Shift interlock stuck
• Brake lights may not illuminate
• ABS light on

Common causes

• Brake switch stuck open
• Wiring short to ground
• Brake pedal not contacting switch
• Switch plunger broken

Diagnostic steps

1. Check if brake lights illuminate when pedal pressed
2. Test switch continuity
3. Inspect switch mounting and pedal contact
4. Check wiring for shorts to ground

Repair notes

Adjust or replace brake light switch. Check pedal bumper pad.

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