Well, one option... whether an expensive one or not... is the dealer. Simply for the fact that the diagnostic equiptment will tell you what faults are in the system and give you diagnostic requests and component activation also.

Other than that, since you seem to be handy with a meter, use the WDS link to look up the wiring pin-out of the PDC module. Then check the resistance across the wires to the sensor (plug removed at module) from known good to previously damaged one. Just some simple comparisons should help shed light if it is a connection problem. Getting the full system wiring schematic should help you move forward with your diagnosis as you can also look up operation info and component location.

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You think professional is expensive, just wait until you pay for amateur.

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X5 pics

RIP 4.6is.....

2003 4.6is