Auxiliary Battery Malfunction Your Ultimate Troubleshooting Companion

There's only a single aux batt. Could be bad -- so long as the truck isn't driving, you could disconnect the aux batt overnight to see if the issue persists. if you drive for a long enough time before the error appears, it may indicate a fault in your charging path. If it's able to recharge when you ... ... Auxiliary Battery Malfunction|A102008500| **Reliable Performance and Compatibility** The N000000004039 Auxiliary Battery is a premium-quality replacement ... I am working on a 2020 A220. It has a Auxiliary Battery Malfunction message. I cannot find the location of the battery. This message simply means that your Mercedes auxiliary battery has some faults. If you don't do anything to get rid of this message, you can put yourself in ... It happens after a new battery is installed and the previous battery was flat. So, drive the car around more with this new battery and the problem will go away. This can indicate a fault with the wiring leading to the battery, a fault with one of the SAM body computers, or a fault with the battery control module ... Just replace it yourself, and save the money. They charge an arm and a leg for a super simple job and cheap part on a Metris. Remember that anything you do to yourself or your vehicle is at your own risk, this video is just a guide and by watching and following the ... This message indicates that the auxiliary battery is not working properly and needs to be checked or replaced.