Brake Assist Solenoid Circuit
1994-2004 Chevrolet S-10 2.2L I4
Description
Malfunction in the brake assist solenoid that provides additional brake pressure during emergency stops.
Symptoms
- Brake assist inactive
- Warning light for brake assist
- Longer stopping distance in emergencies
Common Causes
- Faulty brake assist solenoid
- Solenoid wiring open or shorted
- Module driver failure
- Solenoid mechanically stuck
Diagnostic Steps
- Test solenoid resistance
- Check wiring to solenoid
- Command solenoid with scan tool
- Inspect for mechanical binding
- Test module output signal
Repair Notes
Replace brake assist solenoid or repair wiring.
Related Codes
Other Chassis Codes
- C0021LF Wheel Speed Sensor Range/Performance
- C0022RF Wheel Speed Sensor Range/Performance
- C0023LR Wheel Speed Sensor Range/Performance
- C0024RR Wheel Speed Sensor Range/Performance
- C0025LF Wheel Speed Sensor Circuit Intermittent
- C0026RF Wheel Speed Sensor Circuit Intermittent
- C0027LR Wheel Speed Sensor Circuit Intermittent
- C0028RR Wheel Speed Sensor Circuit Intermittent
- C0035Left Front Wheel Speed Sensor Circuit
- C0036Left Front Wheel Speed Signal Erratic
C0146 on Other Vehicles
Chevrolet Astro
1995-2005 4.3L V6 Vortec
Chevrolet Avalanche
2002-2006 5.3L V8 Vortec
Chevrolet Avalanche
2002-2006 8.1L V8 Vortec
Chevrolet Avalanche
2007-2013 5.3L V8 Vortec
Chevrolet Avalanche
2007-2013 6.0L V8 Vortec
Chevrolet Aveo
2012-2018 1.6L I4
Chevrolet Beat
2018-2021 1.2L I4
Chevrolet Beretta
1990-1996 2.2L I4
Common Questions
What does code C0146 mean on a 1994-2004 Chevrolet S-10?
C0146 stands for "Brake Assist Solenoid Circuit". Malfunction in the brake assist solenoid that provides additional brake pressure during emergency stops.
What are the symptoms of C0146 on a Chevrolet S-10?
Common symptoms of C0146 include: Brake assist inactive, Warning light for brake assist, Longer stopping distance in emergencies.
What causes C0146 on a 1994-2004 Chevrolet S-10?
Common causes of C0146 include: Faulty brake assist solenoid, Solenoid wiring open or shorted, Module driver failure, Solenoid mechanically stuck.