C0141high severityChassis
EBD Brake Pressure Sensor Correlation
on 2009 GMC Envoy 4.2L I6 · 4WD
What this code means
The brake pressure sensors used for electronic brake force distribution are not correlating properly.
Symptoms
- ABS light on
- EBD warning
- Braking feel inconsistent
Common causes
- Pressure sensor drift
- Air in brake hydraulic system
- Master cylinder internal bypass
- Sensor wiring fault
Diagnostic steps
- Compare front and rear pressure sensor readings
- Bleed brake system
- Test individual pressure sensors
- Check for master cylinder leaks
- Inspect sensor wiring
Repair notes
Bleed brake system. Replace faulty pressure sensor or master cylinder.
Other Chassis codes on this vehicle
C0021
LF Wheel Speed Sensor Range/Performance
C0021
LF Wheel Speed Sensor Range/Performance
C0022
RF Wheel Speed Sensor Range/Performance
C0022
RF Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0025
LF Wheel Speed Sensor Circuit Intermittent
C0025
LF Wheel Speed Sensor Circuit Intermittent