What does battery saver active mean on a 2012 GMC Acadia?
If you are getting a “battery saver active” message, it means that your Acadia’s electrical system voltage has dropped to a critical level (less than 11.7 volts). The battery saver increases the driving range of your Acadia when the system is not properly charging.
Why is my GMC Acadia battery not charging?
While driving home the DIC stated it was in battery saving mode. Made it home and after turning car off, it would not start. Had problems with battery drain before, so I replaced it. Now the car runs fine, except I get the service battery charging system warning on the DIC.
What does the service battery charging system indicator mean?
“Service Battery Charging System.” The indicator will illuminate under these conditions: • The BCM determines system voltage is less than 11 volts or greater than 16 volts. • The BCM indicates there is a system voltage range concern.
What does trouble code for battery charger mean?
The vehicle will set a trouble code for a charging system fault. Rely on a scan of trouble codes before acting on any charging system tests. Alldatadiy.com and Eautorepair.net are professional-grade shop manuals—period.
Can you test battery in fuel economy mode?
If you test the charging system while it is in Fuel Economy Mode using traditional charging system methods, you will falsely determine that the generator is defective. Do NOT make this mistake. The only way to determine if the system is in Fuel Economy Mode (besides observing the criteria), is to view the current mode on a scan tool.
While driving home the DIC stated it was in battery saving mode. Made it home and after turning car off, it would not start. Had problems with battery drain before, so I replaced it. Now the car runs fine, except I get the service battery charging system warning on the DIC.
What does Battery Saver mean on GMC Acadia?
If the battery saver light came on when you were already driving, that is a strong indicator that the alternator is bad . With the engine running, the alternator should be putting out at least 13.5 volts. It’s very easy to see if the alternator is bad. You need a voltage meter, that’s about it.
“Service Battery Charging System.” The indicator will illuminate under these conditions: • The BCM determines system voltage is less than 11 volts or greater than 16 volts. • The BCM indicates there is a system voltage range concern.
The vehicle will set a trouble code for a charging system fault. Rely on a scan of trouble codes before acting on any charging system tests. Alldatadiy.com and Eautorepair.net are professional-grade shop manuals—period.