Electronic Power Control Indicator Symbols

Electronic Power Control

These are EPC (Electronic Power Control) indicator symbols. It may also be known as an Engine Speed Limitation indicator. Depending on your vehicle’s manufacturer, one of these indicators will come on when a problem is detected in the engine electronics and may appear in red or yellow/amber.

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The vehicle’s throttle may be limited when this light is illuminated in order to protect the engine from damage, essentially putting the vehicle in Limp Mode. You will have power enough to limp to your dealer or service center for repairs, which is what should be done. If the light is seen in red, the issue is critical and the vehicle should be shut down.

Electronic Stability Program (ESP) will be turned off automatically, if the vehicle is equipped with the system. Its indicator light will then appear as well, indicating the Off condition. The EPC light needs to be addressed, after which both lights will be resolved.

The first image looks very much like those to the right. They are seen in Hybrid or Electric Vehicles (EVs) as a High Voltage Battery warning. Click here for more.

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Remember that only proper service and repair procedures will ensure the safe and reliable operation of your car. In addition, proper safety procedures and precautions, such as the  use of safety goggles, the right tools and the equipment should be followed at all times to eliminate the possibility of personal injury or improper service which could damage the vehicle or compromise its safety.

These posts are for information sharing purposes only, and should not be used in lieu of an OEM service manual or factory authorized service procedure. We are not in the auto repair business nor do we publish automotive service manuals. Nothing we include on these pages and posts has been reviewed, approved or authorized by any vehicle manufacturer.

Technology is always changing and what is current and accurate today may be literally out-of-date and inaccurate tomorrow. And when it comes to the current state of flux in the auto industry, nothing is more true.