Charging System Dashboard Trouble Lights

Charge System

One of the original “idiot” lights, the symbol to the left indicates a serious problem with the Charging System. The vehicle should be brought to a complete stop as quickly as possible or the vehicle may simply stop running in the middle of traffic. Roadside assistance will be necessary.

• But, before we continue, are you sure this is your symbol?? If yes, then read on.
• Otherwise return to our main Picture Symbols page and scan again!

In most cases, there are two possible scenarios: a bad battery, which will not allow itself to be charged, or a failing alternator, which is no longer sending enough charge to the battery. In either case, your vehicle will soon stop running. In some cases, a failing alternator will cause a weak battery to fail as well, and both will need to be replaced.

Note that Electric Vehicles (EVs) also use a 12-volt battery for start up, and this same symbol may be displayed. It is an issue with the low voltage battery (12-volt) not the high voltage battery and points out an issue either with charging the 12-volt battery or with the battery itself.

Similar Symbol

Note that if the word Main is seen beneath the battery image, the light is actually a Hybrid Battery Trouble Indicator. The vehicle’s hybrid battery must be serviced by your dealer or qualified service professional as soon as possible.

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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Technology is always changing and what is current and accurate today may be literally out-of-date and inaccurate tomorrow.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.