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Usualwill · Sep 1st, 2023, 23:12

2016 XC90 D5

Got the dreaded “stop/start service required” last week so asked Volvo to investigate during my service. They advised auxiliary battery was dead (no readings) and main battery showed 65% SOC and that both would need to be replaced at a cost of over £500.
Does this sound right to you, both batteries going at the same time? It’s 7+ years old now so I half expected new main battery might be required but have hardly ever heard of both going? What’s strange is that very occasionally stop/start still works which I don’t think would be the case if the aux battery was dead. I think the dealer is going for the easy option of replacing both.
Any thoughts or tips? I’ll probably look into replacing them myself, any recommendations on what/where to buy?
Thanks.

Sep 1st, 2023, 23:12	#1
Usualwill Junior Member Last Online: Nov 7th, 2023 10:50 Join Date: May 2016 Location: Winchester	Stop/start service required 2016 XC90 D5 Got the dreaded “stop/start service required” last week so asked Volvo to investigate during my service. They advised auxiliary battery was dead (no readings) and main battery showed 65% SOC and that both would need to be replaced at a cost of over £500. Does this sound right to you, both batteries going at the same time? It’s 7+ years old now so I half expected new main battery might be required but have hardly ever heard of both going? What’s strange is that very occasionally stop/start still works which I don’t think would be the case if the aux battery was dead. I think the dealer is going for the easy option of replacing both. Any thoughts or tips? I’ll probably look into replacing them myself, any recommendations on what/where to buy? Thanks.