Nice easy fix. Customer wanted me to look at this fault and I immediately noticed the speaker wasn’t working on the rear sensors but was the front.
I checked for codes and there was a open circuit fault for the speaker. I explained to the customer there would be a lot of strip to do end to end testing on the wires and as the speaker is inexpensive it’s worth taking a punt on the speaking being the fault.
On the 2nd visit with a genuine speaker. I fixed the fault.
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