2005 Hyundai Coupe battery drainning

Car: Hyundai Coupe
Year: 2005
Variant: 2 lt
Categories: Electrics, ECU, Warnings & Lights
within 48 hours the battery goes from fully charged to zero.... door locking system not working properly as it sometimes continues to operate on and off when driving. could this problem be drainning battery overnight? I have checked everything else is OFF. thank you for any advice. Ciaran
Posted: Jul 7, 2020 (3 years ago)
Could be weak / dud cell in battery which means it wont hold a charge . Get it LOAD tested . If not that , check for a parasitic drain .
Posted Jul 7, 2020 (3 years ago)

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