Possible Cause

NOTE:  The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.

• Accelerator pedal position (APP) sensor VCC line short to ground
• Manifold absolute pressure (MAP) sensor VCC line short to ground
• Fuel rail pressure sensor VCC line short to ground
• Throttle body VCC line short to ground
• Exhaust gas recirculation (EGR) valve VCC line short to ground
• APP sensor VCC line short to power
• MAP sensor VCC line short to power
• Fuel rail pressure sensor VCC line short to power
• Throttle body VCC line short to power
• EGR valve VCC line short to power
• PCM internal circuit failure