C0151
Regen Braking Blend Control Malfunction
2002-2007 Buick Rendezvous 3.5L V6
Moderate SeverityChassisGeneric (SAE)
Description
The system that blends regenerative and friction braking is not operating correctly.
Symptoms
- Braking feel inconsistent
- Pedal effort changes
- Jerky deceleration
- Reduced regenerative braking recovery
Common Causes
- Brake pedal simulator malfunction
- Hydraulic control unit fault
- Communication latency between modules
- Software calibration error
Diagnostic Steps
- Monitor regen vs friction brake split with scan tool
- Check brake pedal simulator operation
- Verify module communication timing
- Test hydraulic actuator response
- Check for software updates
Repair Notes
Diagnose blend control actuators. Software update may be available.
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
C0151 on Other Vehicles
Common Questions
What does code C0151 mean on a 2002-2007 Buick Rendezvous?
C0151 stands for "Regen Braking Blend Control Malfunction". The system that blends regenerative and friction braking is not operating correctly.
What are the symptoms of C0151 on a Buick Rendezvous?
Common symptoms of C0151 include: Braking feel inconsistent, Pedal effort changes, Jerky deceleration, Reduced regenerative braking recovery.
What causes C0151 on a 2002-2007 Buick Rendezvous?
Common causes of C0151 include: Brake pedal simulator malfunction, Hydraulic control unit fault, Communication latency between modules, Software calibration error.