Slow battery drain in 2001 s60 2.0t
May I submit a battery query not so far covered in this thread?
For some while the battery, just over three years old and recently confirmed by a main dealer as sound, has been ebbing away inexplicably - typically to immobility after a few days of non-use. The car has been Volvo serviced for nearly all its life, although I took ownership only in 2009.
The local main dealer diagnosed and replaced a faulty REM (at the normal but monumental price), and confirmed all relevant systems working.
However, the problem returned within two or three weeks. Updated diagnosis: a faulty CEM. Cost of replacement even more astounding.
Before going ahead with a CEM transplant, what questions would seasoned campaigners put to the main dealer to ensure no possibility of a much simpler and cheaper reason for this chronic battery failure? Is a faulty REM typically associated with a faulty CEM?
Very grateful for advice. Many thanks.
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