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Unread 07-18-2012, 07:53 AM   #1
Briceronii
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2006 WK 
 
Join Date: Dec 2011
Location: plainfield, il
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Dash lights flickering then U1417

I had an interesting ride into work this morning. First i started up the 5.7 for 10 seconds before ALL the lights flickered on my dashboard. They stayed on for 3 seconds then went off. Sitting there like a deer in headlights trying to figure out what just happened, and it happened again. ALL the lights came on and i also noticed the interior fan speeed increased without me touching it. Drove to work which is only 7 miles away. While i was driving the same thing happened again. This time after the lights went out 2 lights remained on
Electronic Stability Program (ESP)/Brake Assist System (BAS) Indicator (22)
and
Traction Control/Electronic Stability Program (ESP) Indicator (16)

The other thing that happened was the gauges - spedometer and RPM gauge both went to 0 and then went back to normal while i was driving.

When i arrived at work i did the computer test and recieved an erorr of
U1417. I've read that this is a speed sensor but why would this cause all the lights to activate.

Thank you for reading this and for the help!

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Unread 07-18-2012, 09:21 AM   #2
05WKinPA
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How old is your battery?
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Unread 07-18-2012, 11:36 AM   #3
Briceronii
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It's a NAPA 75 Legend International
with a date of Feb. 09
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Unread 07-18-2012, 07:41 PM   #4
Shafer57
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I'd hook up a battery charger and confirm standard voltage prior to worrying. Could be just a battery, and that's gunna be the first step IMO.

It's over 3 years old and although that's not exactly a long time; depending what your weather conditions are like (hot to cold, etc.) could dramatically effect battery life.
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Unread 07-25-2012, 07:22 AM   #5
Briceronii
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I will try that thanks!
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Unread 07-25-2012, 09:07 AM   #6
ecollins7
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I had this happen to me a few weeks ago, but my fan didn't get affected. All my lights on my dash would light up and then I would loose everything on the instrument cluster for a second.

I replaced the ignition switch and the fixed that problem but the ESP and bas lights kept coming on.
So I replaced the tps sensor and cleaned the throttle body and it hasn't done it since.
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Unread 07-25-2012, 10:05 AM   #7
JKM
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Ignition swtich is likely the problem as your battery seems somewhat recent. It's only about $50 if I remember correctly and about one hour to install. Instructions might be on here if you search or are in the service manual
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Unread 07-25-2012, 10:12 AM   #8
skrach77
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I agree- I had almost the exact set of problems and the ignition switch solved them for good. Mine wad about $40 and I changed it in about 15 Mins in the driveway. Do a search and you will find a thread or two with step by steps
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Unread 07-25-2012, 12:25 PM   #9
ecollins7
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I picked mine up for 25 from a local parts store.
Try picking up a Haynes Manual for your truck, it will have step by step instructions, mine has saved me several trips to the dealer
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Unread 07-29-2012, 10:17 AM   #10
Briceronii
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Thanks everyone
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Unread 11-08-2012, 01:14 PM   #11
Helicop88
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When you guys say the ignition switch is the problem is it the actual key'ed ignition cylinder or just this
http://www.rockauto.com/catalog/more...781&cc=1434485

switch/solenoid part?

I have the same dash/ instrument cluster flickering issues and would hope this resolves it.

Thanks!
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Unread 11-08-2012, 07:50 PM   #12
Shafer57
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Quote:
Originally Posted by Helicop88 View Post
When you guys say the ignition switch is the problem is it the actual key'ed ignition cylinder or just this
http://www.rockauto.com/catalog/more...781&cc=1434485

switch/solenoid part?

I have the same dash/ instrument cluster flickering issues and would hope this resolves it.

Thanks!
Ignition "Switch" and "Cylinder" are two different things. The cylinder will not effect your vehicle in anyway unless it doesn't turn. The ignition cylinder is what interacts with the switch.

Common confusion.
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