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2001 S60 Parking assist beeping continuously

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive P2 platform cars sold as model years 2001-2007 (North American market year designations).

2001 - 2007 V70
2001 - 2004 V70 XC (Cross Country)
2004 - 2007 XC70 (Cross Country)
2001 - 2009 S60
2003 - 2007 S60 R
2004 - 2007 V70 R

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Posts: 1
Joined: 28 Jun 2022, 04:09
Year and Model: 2001 S60
Location: Finland

2001 S60 Parking assist beeping continuously

Post by turtle8014 »

I have a 2001 S60 with the standalone version of the parking assist module which takes its power from the taillights and has its own buzzer. My issue is that when I turn on the park assist using the red switch in the trunk and engage reverse the buzzer first lets out a short beep and after that beeps continuously for around 10s after which it stops beeping altogether. If I re-engage the reverse gear the same thing happens again.

Due to the standalone nature of the module my car does not have AEM which means that vida/dice cannot communicate with the park assist module which in turn means that I am unable to determine if there are any DTCs. I have tested that all four of the sensors make a clicking sound when the reverse is engaged so none of them seem to be outright broken. Can the module itself be broken in this way? I would like to know if there are any more diagnostics steps I could take (preferably ones that don't require taking off the entire rear bumper) before starting to scour parts from the junkyard.

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