Was your battery draining issue resolved by resetting o r updating the car’s ECU o r electronic control systems?

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Was your battery draining issue resolved by resetting o r updating the car’s ECU o r electronic control systems?

Some users fix electronic drain problems with software updates. Have you received any such update from the dealership that improved battery life?

Lubaba asked on 07 Aug 2025 14:05:07 pm

1 Answer

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Car Mechanic Expert - on 07 Aug 2025 14:32:22 pm

In several cases, a software update o r ECU reset by the dealership resolved unexplained parasitic drain. The update helped ensure modules shut down properly after ignition-off, which significantly improved overnight battery stability.

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Was your battery draining issue resolved by resetting o r updating the car’s ECU o r electronic control systems?

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Was your battery draining issue resolved by resetting o r updating the car’s ECU o r electronic control systems?

Was your battery draining issue resolved by resetting o r updating the car’s ECU o r electronic control systems?

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