HV Wiring Harness Temperature Sensor Fault
2012-2017 Buick Regal 2.4L I4 Hybrid
Description
A temperature sensor embedded in the HV wiring harness to monitor cable temperature has malfunctioned.
Symptoms
- HV system may derate
- Cable temperature monitoring lost
- Warning message about HV system
- Potential for undetected cable overheat
- Power may be limited as precaution
Common Causes
- Temperature sensor failure
- Sensor wiring break
- Connector corrosion
- Sensor shorted by moisture
- Harness damage near sensor
Diagnostic Steps
- Read HV cable temperature sensor data
- Test sensor resistance
- Inspect HV harness near sensor location
- Check sensor connector for moisture
- Compare with adjacent temperature readings
Repair Notes
Replace HV cable temperature sensor. Inspect HV harness for any heat damage in the sensor area.
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
P3283 on Other Vehicles
Common Questions
What does code P3283 mean on a 2012-2017 Buick Regal?
P3283 stands for "HV Wiring Harness Temperature Sensor Fault". A temperature sensor embedded in the HV wiring harness to monitor cable temperature has malfunctioned.
What are the symptoms of P3283 on a Buick Regal?
Common symptoms of P3283 include: HV system may derate, Cable temperature monitoring lost, Warning message about HV system, Potential for undetected cable overheat, Power may be limited as precaution.
What causes P3283 on a 2012-2017 Buick Regal?
Common causes of P3283 include: Temperature sensor failure, Sensor wiring break, Connector corrosion, Sensor shorted by moisture, Harness damage near sensor.