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  1. #1
    Jr. Apprentice
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    McAlester, OK
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    Default New owner, a few questions

    Bought a 2009 4x4 over the weekend knowing about a couple of problems. First, I got the Tighten Gas Cap DIC message. Loosened it and tightened it back up, no more message. Got it again today and the check engine light is on. Was close to the local Chevy dealer so picked up a new gas cap, but the check engine light is still on. Does it take awhile to go off?

    Second problem. By looking at the valve stems on the tires, can you tell if the TPMS Sensors are present? I ask that cause on my vette and Camaro, the stems are metal. The ones on the truck are not, they are rubber and flexible. I ask this because the Service TPMS DIC message is present and the lighted icon on the gauge blinks for a bit and stays on. The tires are Kuhmo, not goodyears, so my first thought is that they didn't put the sensors back in when they were changed, or they didn't program them back to the truck.

    My vette has the DIC, and I am able to go through a lot of info with the car, are the Silverado's the same? My truck does not have the DIC menu buttons, I have to use the trip reset stem.

    Any help is GREATLY APPRECIATED!!!

  2. #2

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    If your truck is a half ton with P rated tires make sure all the tires are set at about 35 psi. Either there are no sensors, your tire pressures are all different, or they broke a sensor putting on the new tires. I think the maximum difference in pressure is 5 psi before the light sets off. Once you set all the tires at 35 take it for a drive and if the light doesn't go off you probably have no sensors or a broken one.
    Last edited by Shiloh24; 04-30-2012 at 07:45 PM.

  3. #3
    Jr. Apprentice
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    Default

    Quote Originally Posted by Shiloh24 View Post
    If your truck is a half ton with P rated tires make sure all the tires are set at about 35 psi. Either there are no sensors, your tire pressures are all different, or they broke a sensor putting on the new tires. I think the maximum difference in pressure is 5 psi before the light sets off. Once you set all the tires at 35 take it for a drive and if the light doesn't go off you probably have no sensors or a broken one.
    Thanks Shiloh. I plan on doing the re-learn for the TPMS this weekend, but thought I would post the question anyway. Hoping there would be a way to tell, guess I was wrong.

  4. #4

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    All the re-learn is going to do is learn the position of each tire it won't make the light go off. I would still go ahead and do the relearn though that way once all your tires are set at 35 psi and the lights still on you can take it to get the codes read and it will say which sensor(s) are not working.
    Last edited by Shiloh24; 04-30-2012 at 08:42 PM.

  5. #5
    Jr. Apprentice
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    Default

    Quote Originally Posted by Shiloh24 View Post
    All the re-learn is going to do is learn the position of each tire it won't make the light go off. I would still go ahead and do the relearn though that way once all your tires are set at 35 psi and the lights still on you can take it to get the codes read and it will say which sensor(s) are not working.
    So would I need to get the codes read at a dealer or could I take it to AutoZone?

  6. #6

    Default

    Quote Originally Posted by kennya View Post
    So would I need to get the codes read at a dealer or could I take it to AutoZone?
    You could try autozone. Im not sure if they can read Tpm codes or not.

  7. #7

    Default

    0446= EVAP solinoid more then likely its the cause..... clicky>>>>>>

    or google it.....
    Last edited by mfleetwood; 05-01-2012 at 09:57 AM. Reason: removed other community forum link

  8. #8
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    Default

    Here is link to information regarding the Driver Information Center. You can upgrade your truck's easily and it relatively inexpensive. From all the feedback I've seen from members, including myself, it was well worth the investment.

    http://www.gmtruckclub.com/forum/sho...#axzz1td4acTAq

    BTW...welcome to the Club and congrats on your new ride!!!
    Last edited by mfleetwood; 05-01-2012 at 10:01 AM. Reason: added welcome message


    Mike (Denver, CO) - 2008 Sierra 1500 Z71 SLE 5.3L 4WD

    SUSPENSION: Rancho 4" Suspension Lift; Rancho RS9000XL Shocks; Rancho Skid Plates; Rancho MyRide Wireless Shock Controller;
    TIRES:
    BFG All Terrain KO 315/70/17
    DRIVE TRAIN: 4.56 Gears; Detroit TrueTrac Differential; True Cool 40k Transmission Cooler
    PERFORMANCE: DiableSport Predator Tuner; Custom Tuned by Diablew; Magnaflow Exhaust; AFE Cold Air Intake
    ELECTRONICS: Kenwood DNX6180 Touchscreen; Subthump box w/10" Kicker; Driver Information Center (DIC); Rear View Camera
    ACCESSORIES: Westin Brush/Grill Gaurd; Westin Nerf Bars; Truxedo Tonneau; 20% Tint; Tow Mirrors w/Heat & Signals

  9. #9
    Jr. Apprentice
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    Default

    Kaz, thank you, I will look it up.

    Fleetwood, thank you! I am ordering that with in the next day or two....

    To give you all an update. My coworker used to be a car salesman and he told me to just remove the positive battery cable for 15 or 20 minutes. I did and sure enough the lights are gone. I figured they would be, but he said that should reprogram the TPM sensors (he said that's what a lot of dealerships do). Anyway, I thought I would give it a try before I go and spend money on getting them checked at the dealer. The check engine is off as well, I am hoping the new gas cap will keep it off.

  10. #10
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    Thanks for the update! ....let us know how it goes.....


    Mike (Denver, CO) - 2008 Sierra 1500 Z71 SLE 5.3L 4WD

    SUSPENSION: Rancho 4" Suspension Lift; Rancho RS9000XL Shocks; Rancho Skid Plates; Rancho MyRide Wireless Shock Controller;
    TIRES:
    BFG All Terrain KO 315/70/17
    DRIVE TRAIN: 4.56 Gears; Detroit TrueTrac Differential; True Cool 40k Transmission Cooler
    PERFORMANCE: DiableSport Predator Tuner; Custom Tuned by Diablew; Magnaflow Exhaust; AFE Cold Air Intake
    ELECTRONICS: Kenwood DNX6180 Touchscreen; Subthump box w/10" Kicker; Driver Information Center (DIC); Rear View Camera
    ACCESSORIES: Westin Brush/Grill Gaurd; Westin Nerf Bars; Truxedo Tonneau; 20% Tint; Tow Mirrors w/Heat & Signals

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