Unlock the Secrets Understanding Auxiliary Battery Malfunctions and Their Impact

The 2 batteries r isolated from each other when the car is completely shut off, so if u cant start ur car, it has something to do with the main ... Why Does the Auxiliary Battery Malfunction? Top Causes and Solutions · 1. Aging Battery: A Common Culprit. Mercedes auxiliary batteries typically ... The so-called Auxiliary Battery fitted to the GLC is, in fact, just a simple voltage converter consisting of some components on a circuit board and 4 storage ... Mine was replaced by my mechanic, when I got it back the battery malfunction indication was gone. I don't know whether he had to do anything ... I am getting a code "218219 Starter unit, charging controller for auxiliary battery: Aged Auxiliary Battery". This is not surprising for a ... Battery Malfunction, cont. driving possible. “Auxiliary battery relay stuck closed General X5 / X6 Topics. I have an error "Auxiliary battery malfunctioning" and I can't find it's location. Just to be clear, I'm looking not for a starter battery ... Remove the old auxiliary battery and install the new battery by fastening the brackets in place and connecting the positive terminal, followed by the negative ... Did you get the dreaded "Auxiliary Battery Malfunction" alert in your vehicles instrument cluster screen? In this DIY how to video, ... You will need to replace the auxiliary battery located in the trunk area. I've attached pictures with instructions.