ShopBaseFree forever shop management software for auto repair shops
Try ShopBase Free →
Home/DTC Codes/Chevrolet/Express/2003-2024 4.3L V6/P1515
P1515

Control Module Throttle Actuator Position Performance

2003-2024 Chevrolet Express 4.3L V6

High SeverityPowertrain

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

  1. Clean throttle body
  2. Test throttle body motor
  3. Check TPS sensor readings
  4. Inspect all throttle body connectors
  5. Check for PCM software update

Repair Notes

Clean throttle body. If condition persists, replace throttle body assembly. Check for PCM reprogramming TSBs.

Related Codes

P1514Throttle Body PerformanceP1514Throttle Body PerformanceP1514Throttle Body PerformanceP1514Throttle Body PerformanceP1514Throttle Body PerformanceP1514Throttle Body PerformanceP1514Throttle Body PerformanceP1514Throttle Body PerformanceP1516Throttle Actuator Control Position PerformanceP1516Throttle Actuator Control Module Throttle Actuator Position PerformanceP1516Throttle Actuator Control Module Throttle Actuator Position PerformanceP1516Throttle Actuator Control Module Throttle Actuator Position PerformanceP1516Throttle Actuator Control Module Throttle Actuator Position PerformanceP1516Throttle Actuator Control Module Throttle Actuator Position PerformanceP1516Throttle Actuator Control Module Throttle Actuator Position PerformanceP1516Throttle Actuator Control Module Throttle Actuator Position PerformanceP1516Throttle Actuator Control Module Throttle Actuator Position PerformanceP2101Throttle Actuator Control Motor Circuit Range/PerformanceP2135Throttle/Pedal Position Sensor/Switch A/B Voltage Correlation

Other Powertrain Codes

P1515 on Other Vehicles

Chevrolet Astro

1995-2005 4.3L V6 Vortec

Chevrolet Avalanche

2002-2006 5.3L V8 Vortec

Chevrolet Avalanche

2002-2006 8.1L V8 Vortec

Chevrolet Avalanche

2007-2013 5.3L V8 Vortec

Chevrolet Avalanche

2007-2013 6.0L V8 Vortec

Chevrolet Aveo

2012-2018 1.6L I4

Chevrolet Beat

2018-2021 1.2L I4

Chevrolet Beretta

1990-1996 2.2L I4

Common Questions

What does code P1515 mean on a 2003-2024 Chevrolet Express?

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 Chevrolet Express?

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 2003-2024 Chevrolet Express?

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.

View Labor Times | View Torque Specs | View Fluid Specs