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Old 02-07-2018, 03:28 PM   #1
Foxrus14
 
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Problem with all codes popping up

Just put 325 wide tires on the back. Dealership returned the car and when I started it back up, all the codes came up. EBrake, abs, traction control off, and asks to service the power steering.

Dealership cleared codes and as driving home they all popped up again. And power steering is out. 2015 ZL1 with 40,000 miles

Anyone have any experience with this?
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Old 02-07-2018, 03:45 PM   #2
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Quote:
Originally Posted by Foxrus14 View Post
Just put 325 wide tires on the back. Dealership returned the car and when I started it back up, all the codes came up. EBrake, abs, traction control off, and asks to service the power steering.

Dealership cleared codes and as driving home they all popped up again. And power steering is out. 2015 ZL1 with 40,000 miles

Anyone have any experience with this?
Don't have the codes but sounds like you have a loose ground. There's plenty here in the forum around steering failure.
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Old 02-07-2018, 06:04 PM   #3
danvillekidd
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First thought is too big of a difference between the front and rear tire diameters. After that,
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Old 02-07-2018, 06:58 PM   #4
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I have experience with avoiding dealers like the plague for exactly this kind of sh!t. Best of luck!
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Old 02-08-2018, 05:21 AM   #5
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codes

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Originally Posted by RobZL1 View Post
I have experience with avoiding dealers like the plague for exactly this kind of sh!t. Best of luck!
I had all those codes pop up using an AeroForce gauge. Had to turn off, unplug, plug in again and then turn on and computer reset itself?
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Old 02-08-2018, 07:45 AM   #6
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Check your battery's resting voltage, sometimes it's as simple as that. Another check might be whether or not the dealer did an ECM update. I'm assuming you're tuned, and I would always ask the dealer to avoid trying to install an update. I'm betting it's related to a voltage issue though.....wouldn't think going from a 305 to a 325 would cause that much of an issue.
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Old 02-16-2018, 12:32 PM   #7
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Quote:
Originally Posted by danvillekidd View Post
First thought is too big of a difference between the front and rear tire diameters. After that,
This ^ (most likely, loose ground 2nd)

My ZL1 had problem #2 and GM bought it back and trashed the car I think.

I still miss my 5th gen ZL1.
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Old 02-16-2018, 12:36 PM   #8
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If the tires are taller than 1" over what the ECM thinks it should be, can set the codes. Also, verify grounds as mentioned..

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