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Home/DTC Codes/Pontiac/Sunfire/1995-2005 2.2L I4/C0112
C0112

Brake Apply Circuit High

1995-2005 Pontiac Sunfire 2.2L I4

Moderate SeverityChassisGeneric (SAE)

Description

High signal in the brake apply circuit indicates constant brake application detected.

Symptoms

  • Cruise control disengages immediately
  • Brake lights always on
  • ABS light on
  • Shift interlock always released

Common Causes

  • Brake switch stuck closed
  • Wiring shorted to voltage
  • Switch plunger stuck
  • Pedal not fully returning

Diagnostic Steps

  1. Check if brake lights stay on with pedal released
  2. Test switch at rest and applied positions
  3. Inspect switch mounting
  4. Check pedal return spring
  5. Look for wiring shorts to voltage

Repair Notes

Replace brake switch. Check pedal return mechanism.

Related Codes

C0095Brake Lamp Switch CircuitC0110Brake Apply Circuit

Other Chassis Codes

C0112 on Other Vehicles

Pontiac Aztek

2001-2005 3.4L V6

Pontiac Bonneville

1990-1999 3.8L V6

Pontiac Bonneville

2000-2005 3.8L V6

Pontiac Bonneville GXP

2000-2005 4.6L V8

Pontiac Bonneville GXP

2000-2005 4.6L V8 Northstar

Pontiac Bonneville SSEi

1992-1999 3.8L Supercharged V6

Pontiac Bonneville SSEi

1992-1999 3.8L V6 Supercharged

Pontiac Firebird

1993-1997 3.4L V6

Common Questions

What does code C0112 mean on a 1995-2005 Pontiac Sunfire?

C0112 stands for "Brake Apply Circuit High". High signal in the brake apply circuit indicates constant brake application detected.

What are the symptoms of C0112 on a Pontiac Sunfire?

Common symptoms of C0112 include: Cruise control disengages immediately, Brake lights always on, ABS light on, Shift interlock always released.

What causes C0112 on a 1995-2005 Pontiac Sunfire?

Common causes of C0112 include: Brake switch stuck closed, Wiring shorted to voltage, Switch plunger stuck, Pedal not fully returning.

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