P0487 - OBD II Trouble Code

Our automotive experts have put together the following information about the P0487 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P0487 code.

What Does P0487 Code Mean?

OBD-II Code P0487 is defined as a Exhaust Gas Recirculation Throttle Control Circuit "A" /Open

While this code description suggests there is a fault within the EGR system, this code actually refers to an electrical issue with the intake throttle actuator. The Intake Throttle Actuator is what opens and closes the throttle plate on an electronic throttle body. When the engine control module (PCM) detects an issue with the intake throttle actuator, the PCM will set code P0487.

P0487 Symptoms

• Decreased engine performance

Common Problems That Trigger the P0487 Code

• EGR throttle body assembly failure
• Powertrain Control Module (PCM) failure
• Wiring issue