Backup warning system problem's
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Mountain Pass
Joined: May 2005
Posts: 122
Likes: 23
Backup warning system problem's
Hi Folk's
I've had my F350 for about 6 month's now and it's been great. However I just developed a small problem. After the first snow fall and freeze my backup warning system continuously just sings at us like we are tight up against somethings unless we turn it off all the time with the switch. I have cleared away any ice and snow but it continues to signals us in this manner. Any ideas why? Is this a weakness with this feature in the winter? Are me sensors frozen up? Thanks
I've had my F350 for about 6 month's now and it's been great. However I just developed a small problem. After the first snow fall and freeze my backup warning system continuously just sings at us like we are tight up against somethings unless we turn it off all the time with the switch. I have cleared away any ice and snow but it continues to signals us in this manner. Any ideas why? Is this a weakness with this feature in the winter? Are me sensors frozen up? Thanks
Junior User
Joined: Mar 2003
Posts: 61
Likes: 0
From: Ridgefield Park USA
gitane59 - I had a similuar problem with my 92 f250, after 3 return visits to service; they brought a expert tech in and discovered I had a bad sensor and a wireing hardness problem. After replacing the sensor and fixing the wiring didn't have the problem. Be patient, it was difficult for them to diagnose. You might want to have it looked at next time it serviced.
Lead Driver
Joined: Sep 2003
Posts: 5,241
Likes: 3
From: Other side of the sunrise
Mine did it when brand new, and still does it when there is ice and/or snow accumilated on the sensors. Just dust them off of snow and/or hold your palm of the hand over them until the ice melts. If you don't want to mess with that, just push the big P button on the dash and it will go off. You can turn them back on after the blockage melts off.
Junior User
Joined: Mar 2004
Posts: 96
Likes: 0
From: Eagle River Alaska
I agree with olfordsntone comments. Warm up the surface of that ultrasonic sensor and get rid of the clear coat of ice so that reflected sound can make can pass back and forth. Just went through a one of those snow storms that coated all sides of my F350 with the white stuff and the reverse sensor went into alarm. 30 seconds of hand warmth on the one offending "wet feel" sensor took care of the problem.
