Quote:
Originally Posted by richw
I had similar with my sensors. Remove the bumper and examine the wiring harness which connects the sensors to the control unit. The main connector could be rotten, or any of the individual sensor connectors. Or one or more sensors may need replacing. With the engine NOT running, but the ignition on, select reverse and listen to each sensor. They should tick. You can swap sensors easily.
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While this is absolutely correct – and you should do it – I spent half my life at it, then gave up and fitted one of
these… £10-15 for the entire kit (ECU, sensors, everything) and been using it for many years now