Low voltage
Thread Starter
Heel & Toe
Joined: Jul 2021
Posts: 15
Likes: 1
Low voltage
So I got the infamous service charging system error message I checked all the codes in the history was just some key cylinder codes and something about the passive security system code so I did replace the alternator I did replace the battery and what nothing really running and the car at highway speeds I'm only getting 10 and 1/2 volts what do I check next thank you in advance
Last edited by Chrismedic; Sep 10, 2021 at 05:25 PM.
Moderator, Tech Contributor
Joined: Sep 2013
Posts: 15,511
Likes: 4,003
From: Cape Coral, Florida
Go to the “Sticky Threads” at the top of the Tech Section and read the one concerning “alternator designs and issues” !!…best to have got your old alternator rebuilt if it was diagnosed correctly as being bad !!
Last edited by C5 Diag; Sep 10, 2021 at 06:32 PM.
