Control Module Throttle Actuator Position Performance
2002-2007 Buick Rendezvous 3.5L V6
Description
The PCM detected a discrepancy between the commanded throttle actuator position and the actual position. The electronic throttle control system is not achieving the position requested by the PCM.
Symptoms
- Reduced Engine Power message
- Check Engine Light
- Limited acceleration
- Engine may idle only
- Limp mode
Common Causes
- Carbon buildup in throttle body
- Faulty throttle body actuator motor
- Worn or damaged TPS
- Wiring issue to throttle body
- PCM calibration issue
Diagnostic Steps
- Clean throttle body
- Test throttle body motor
- Check TPS sensor readings
- Inspect all throttle body connectors
- Check for PCM software update
Repair Notes
Clean throttle body. If condition persists, replace throttle body assembly. Check for PCM reprogramming TSBs.
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
P1515 on Other Vehicles
Common Questions
What does code P1515 mean on a 2002-2007 Buick Rendezvous?
P1515 stands for "Control Module Throttle Actuator Position Performance". The PCM detected a discrepancy between the commanded throttle actuator position and the actual position. The electronic throttle control system is not achieving the position requested by the PCM.
What are the symptoms of P1515 on a Buick Rendezvous?
Common symptoms of P1515 include: Reduced Engine Power message, Check Engine Light, Limited acceleration, Engine may idle only, Limp mode.
What causes P1515 on a 2002-2007 Buick Rendezvous?
Common causes of P1515 include: Carbon buildup in throttle body, Faulty throttle body actuator motor, Worn or damaged TPS, Wiring issue to throttle body, PCM calibration issue.