Throttle Body Performance
2002-2007 Buick Rendezvous 3.5L V6
Description
The PCM detected that the electronic throttle body is not meeting performance expectations. The actual throttle position does not match the commanded position within acceptable limits.
Symptoms
- Reduced Engine Power message
- Check Engine Light
- Poor throttle response
- Stalling
- Limited acceleration
Common Causes
- Carbon buildup in throttle body
- Faulty throttle body motor
- Throttle body wiring issue
- Failed TPS within throttle body
- PCM software issue
Diagnostic Steps
- Inspect throttle body for carbon deposits
- Monitor commanded vs actual throttle position
- Test throttle body motor operation
- Inspect wiring and connectors
- Check for updated PCM calibration
Repair Notes
Clean throttle body first. If carbon is not the issue, replace throttle body assembly.
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
P1514 on Other Vehicles
Common Questions
What does code P1514 mean on a 2002-2007 Buick Rendezvous?
P1514 stands for "Throttle Body Performance". The PCM detected that the electronic throttle body is not meeting performance expectations. The actual throttle position does not match the commanded position within acceptable limits.
What are the symptoms of P1514 on a Buick Rendezvous?
Common symptoms of P1514 include: Reduced Engine Power message, Check Engine Light, Poor throttle response, Stalling, Limited acceleration.
What causes P1514 on a 2002-2007 Buick Rendezvous?
Common causes of P1514 include: Carbon buildup in throttle body, Faulty throttle body motor, Throttle body wiring issue, Failed TPS within throttle body, PCM software issue.