barbaralight95
XC40 Fault Memory Lock Active Error
Summary of the thread
A 2022 Volvo XC40 hybrid displayed a 'Fault memory lock active' error, suspected to be caused by undervoltage. The issue was confirmed by a shop diagnosis, which identified undervoltage as the cause of the memory lock. The problem was resolved with a repair costing 240€.
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4 comment(s)
barbaralight95 (community.author)
Yeah, battery seems fine. How did you resolve the issue with your Peugeot?
ralf_smith1
Honestly? I ended up taking it to a workshop. Turns out the control unit had a meltdown. It was a pain, but they sorted it out. I'd recommend getting it checked before it gets worse!
barbaralight95 (community.author)
Thanks! Shop diagnosed it as undervoltage causing the memory lock. Repair cost was 240€. Appreciate the advice!
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VOLVO
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XC40
ralf_smith1
Ugh, fault codes are the worst! I had something similar with my old Peugeot – the computer system went haywire and locked up completely. Did you check the battery?