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Home/DTC Codes/Cadillac/XTS/2013-2019 3.6L V6/C0111
C0111

Brake Apply Circuit Low

2013-2019 Cadillac XTS 3.6L V6

Moderate SeverityChassisGeneric (SAE)

Description

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.

Related Codes

C0095Brake Lamp Switch CircuitC0110Brake Apply Circuit

Other Chassis Codes

C0111 on Other Vehicles

Cadillac ATS

2013-2019 2.0L Turbo I4

Cadillac ATS

2013-2019 2.5L I4

Cadillac ATS-V

2016-2019 3.6L Twin-Turbo V6

Cadillac CT4

2020-2024 2.0L Turbo I4

Cadillac CT4

2020-2024 2.7L Turbo I4

Cadillac CT4-V

2020-2024 2.7L Turbo I4

Cadillac CT4-V Blackwing

2022-2024 3.6L Twin-Turbo V6

Cadillac CT5

2020-2024 2.0L Turbo I4

Common Questions

What does code C0111 mean on a 2013-2019 Cadillac XTS?

C0111 stands for "Brake Apply Circuit Low". Low signal in the brake apply circuit indicates the module does not see brake application.

What are the symptoms of C0111 on a Cadillac XTS?

Common symptoms of C0111 include: Cruise control inoperative, Shift interlock stuck, Brake lights may not illuminate, ABS light on.

What causes C0111 on a 2013-2019 Cadillac XTS?

Common causes of C0111 include: Brake switch stuck open, Wiring short to ground, Brake pedal not contacting switch, Switch plunger broken.

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