Vauxhall Vivaro on startup warning light "battery charging fault " comes on and stop light

Car: Vauxhall Vivaro
Variant: 1.6 diesel TDCi
Model Year: 2015

Categories: Electrics, ECU, Warnings & Lights

Van starts, drives ,battery charges, all lights etc work fine, garage continuity checked wiring from alternator all fine, suggested auto electrician. I'm stumped. seems like common fault on vivaros.

Posted: Feb 8, 2024 (10 months ago)

John Howard

Points: 1

Have they LOAD tested the alternator and battery , checking voltage and charging rate ?

Posted Feb 8, 2024 (10 months ago)

whittingehame

Points: 38,784

thanks for your reply, not sure what they checked but all wiring continuity was good. i have checked battery voltage on start up drops to 9 volts as starter turns then back to 14 when starter disengages, battery is fairly new. Could it be the alternator? don't want to change unless certain as a lot of money for no result. Regards

Posted Feb 8, 2024 (10 months ago)

John Howard

Points: 1

Battery dropping to 9 v means it's not up to scratch and either needs charged , tested or replaced if needed . Goes up to 14 v when alternator starts charging but needs LOAD tested to confirm if good or not

Posted Feb 8, 2024 (10 months ago)

whittingehame

Points: 38,784

Thanks for getting back, I'll get it checked out over weekend, you have helped a great deal.

Posted Feb 9, 2024 (10 months ago)

John Howard

Points: 1

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Vauxhall Vivaro on startup warning light "battery charging fault " comes on and stop light

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