Battery/Charging Warning Light
Urgency: HighThis light indicates the charging system is not maintaining proper voltage. The alternator may be failing, the drive belt may be slipping, or there could be a wiring issue. The vehicle will run on battery power alone for a limited time before stalling. Other electrical components may start malfunctioning as voltage drops.
Need to read your codes?
An OBD-II scanner lets you read and clear diagnostic trouble codes from your vehicle's computer. Most scanners work with any car made after 1996.
Browse OBD-II Scanners on AmazonPossible Causes
- Failing alternator
- Worn or loose serpentine belt
- Corroded battery terminals
- Bad battery
- Faulty voltage regulator
- Wiring issue
Related OBD-II Codes
When to See a Mechanic
Drive directly to a mechanic or safe location. The vehicle may stall without warning once the battery is depleted. Avoid using unnecessary electrical accessories to conserve battery power.
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