Rear Parking Sensors

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Jul 19, 2016 | 07:46 PM

#11

Zelatore

Rock Crawling

Joined: Oct 2015

Posts: 379

Likes: 44

From: NorCal

Quote:

Originally Posted by cmb6s

Don, are you sure you wrote the file back to the car after making the changes?

Pretty sure I did....when I read it now it shows as 'not installed'. Maybe I'll do it again this weekend just for the heck of it.

Jul 19, 2016 | 09:06 PM

#12

cmb6s

Recovery Vehicle

Joined: Sep 2013

Posts: 831

Likes: 146

From: Herndon, VA

Quote:

Originally Posted by tnk

Mine had similar if not exactly the same symptoms. Turned out to be the dedicated park assist speaker had gone out. It's like a $28 part and takes about 10 minutes to change. Just something else to maybe look at..

I guess it will react in the same manner if any part of the system has an issue. The speaker will emit a continuous tone for 5 seconds or so and then will go silent and the light will just flash. This happens if you have a wiring harness issue or if you have a bad sensor. Happened to me when my rear left outer sensor went.

Jul 20, 2016 | 08:38 AM

#13

tnk

Drifting

Joined: Jan 2016

Posts: 31

Likes: 5

From: North Alabama

Quote:

Originally Posted by cmb6s

I just re-read the original post. Can't be the speaker if he's getting a beep!

Aug 9, 2016 | 02:15 PM

#14

EricGAPDiag

8th Gear

Joined: May 2015

Posts: 8

Likes: 5

Quote:

Originally Posted by Zelatore

Oddly, I used my IID tool to set the CCF to 'no parking sensors' since I don't have them on my rear bumper at all. Still every time I shift into reverse the alarm sounds and I have to punch the little button on the dash to shut it up. It's become second nature now, but you'd think with the CCF set to 'none' it wouldn't act like that.

Since you don't have sensors on your rear bumper, the ECU will always complain even if you disable them in the CCF. The solution is to disconnect the ECU directly or remove the fuse if you don't mind losing the TPMS functionality (same fuse).