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C30 / S40 & V50 '04-'12 / C70 '06-'13 General Forum for the P1-platform C30 / S40 / V50 / C70 models |
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ecu (possibly)Views : 399 Replies : 6Users Viewing This Thread : |
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May 17th, 2019, 16:23 | #1 |
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ecu (possibly)
hi all, im after some advice, ive got an 06 s40. the battery keeps going flat, ive had that and the alternator checked and bot hare fine, the car also beeps every 2 to 3 mins ive been told this is the ecu that could be at fault, hopefully one of yo good people understand me and can point me in the right direction ,thanks
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May 20th, 2019, 13:40 | #2 |
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anyone???????
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May 20th, 2019, 14:15 | #3 |
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My battery kept going flat and it turned out it was the insurance black box which was installed 2 years previously, I ripped it out myself and it's been fine since.
So, if you don't have a black box leeching power I'd assume it's something else leeching.. Any accessories plugged in? Or maybe it's the ECU that's draining power somehow.
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2009 S40 SE Lux 2.0i | 2022 Suzuki V-Strom 650 | 2002 Audi TT 225 Previous: C70 Coupe 2.4i | Saab 9-5 Aero | Daihatsu SporTrak |
May 20th, 2019, 15:28 | #4 | |
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Quote:
1. Use VIDA and check for any fault codes. Clear all you find, fix what will not clear. 2. Apply standard diagnostic techniques to determine if any device is consuming power when it should not. This will involve logic, determination, documentation, perseverance, and a dose of experience. And the right tools (multimeter). Focus on the "beeps every 2 to 3 mins" Find out what is beeping and why. If there is no logical reason for the beep then start using diagnostic equipment (VIDA) to determine the cause.
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May 20th, 2019, 18:28 | #5 |
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I've a feeling the beep is a warning about the flat battery.
Without getting it plugged into Vida you'll be mostly guessing. Could be a bad earth somewhere possibly the starter motor.
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2008 S40 2.0d R design auto powershift |
May 21st, 2019, 11:35 | #6 |
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whats vida please?
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May 21st, 2019, 18:59 | #7 |
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Volvo's specific diagnostics software. You can either take it to a dealer or Volvo specialist to get scanned, or ask to see if anyone local to you on the forums has one and can help.
I have one for example and would help but I'm in Glasgow haha.
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2009 S40 SE Lux 2.0i | 2022 Suzuki V-Strom 650 | 2002 Audi TT 225 Previous: C70 Coupe 2.4i | Saab 9-5 Aero | Daihatsu SporTrak |
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