Electric Motor/Generator Bearing Temperature High
2012-2017 Buick Regal 2.4L I4 Hybrid
Description
The motor/generator bearing temperature has exceeded the warning threshold, indicating potential bearing degradation.
Symptoms
- Motor noise increasing
- Vibration from motor area
- Motor efficiency decreasing
- Temperature warning
- Power output limited
Common Causes
- Bearing lubrication degradation
- Bearing wear from mileage
- Motor misalignment
- Contamination in bearing
- Excessive radial load from belt or gear
Diagnostic Steps
- Monitor motor bearing temperature trend
- Listen for bearing noise with stethoscope
- Check motor vibration levels
- Measure motor shaft play
- Review motor duty cycle and load history
Repair Notes
Motor bearing replacement or motor assembly replacement. Bearing access depends on motor design - some allow bearing service, others require full motor replacement.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P3228 on Other Vehicles
Common Questions
What does code P3228 mean on a 2012-2017 Buick Regal?
P3228 stands for "Electric Motor/Generator Bearing Temperature High". The motor/generator bearing temperature has exceeded the warning threshold, indicating potential bearing degradation.
What are the symptoms of P3228 on a Buick Regal?
Common symptoms of P3228 include: Motor noise increasing, Vibration from motor area, Motor efficiency decreasing, Temperature warning, Power output limited.
What causes P3228 on a 2012-2017 Buick Regal?
Common causes of P3228 include: Bearing lubrication degradation, Bearing wear from mileage, Motor misalignment, Contamination in bearing, Excessive radial load from belt or gear.