TPMS / Can't Get Into Reset Mode - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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  #1  
Old 07-01-2008, 09:46 AM
CodyC6 CodyC6 is offline
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2007 Chevy TrailBlazer SS
Join Date: Jan 2007
Location: Northern Virginia
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TPMS / Can't Get Into Reset Mode

Having problems getting my Tire Pressure Monitoring System into the reset mode. Rotated tires, and need to reset sensors. I've tried every combination of turning the lights from off to parking lights 4 times, and can't get the system to beep or light up.

Anybody that has done this could you give me an idea of how you turned the light knob?

Key is in on position.
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  #2  
Old 07-02-2008, 07:56 AM
TJay74 TJay74 is offline
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2008 Chevy TrailBlazer SS
Summit White 6.0L LS2 V8 2WD
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Location: Oklahoma
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Here is the reset procedure I found on another GM forum



TPM Learn Mode Cancellation

The PDM will cancel the learn mode if more then 2 minutes have passed and no sensors have been learned, or if the PDM has been in learn mode for more than 5 minutes. If the learn mode is canceled before any sensor has been learned, the PDM will remember all current sensor Ids and their locations. As soon as the fist sensor Id code is learned, all other Ids are erased from the PDM's memory.

Important: Before proceeding with the steps below, ensure that no other sensor learn procedure is being performed simultaneously, or that tire pressures are not being adjusted on a TPM equipped vehicle within close proximity.

1. Turn ON the ignition, with the engine OFF.
2. Apply the parking brake.

Important: If the TPM learn mode cannot be enabled, ensure the TPM system is enabled in the PDM. Refer to Control Module Setup .

3. Turn the exterior lamp switch from OFF to parking lamps 4 times within 4 seconds. A double horn chirp will sound and the low tire pressure indicator will begin to flash indicating the TPM learn mode has been enabled.

Caution: Over inflating tires may cause personal injury or damage to the tires and wheels. When increasing tire pressure do not exceed the maximum inflation pressure as noted on the tire sidewall.

Important: If a horn chirp does not sound after 35 seconds for any of the 4 sensors, turn the ignition OFF to exit the learn mode and repeat the procedure from step 1.

4. Starting with the left front tire, hold the antenna of the J-46079 against the tire sidewall close to the wheel rim at the valve stem location then press and release the activate button and wait for a horn chirp, or increase/decrease the tire pressure for 8-10 seconds, or until a horn chirp sounds. The horn chirp may occur before the 8-10 second pressure increase/decrease time period has been reached, or up to 30 seconds after the 8-10 second pressure increase/decrease time period has been reached.
5. After the horn chirp has sounded, proceed as in step 4 for the next 3 sensors in the following order:

1. Right front
2. Right rear
3. Left rear

6. After all sensors have been learned, exit the learn mode by turning OFF the ignition.
7. After the learn mode has been exited, adjust all tire pressures to the recommended kPa/psi.
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  #3  
Old 07-02-2008, 08:07 PM
my996duc1's Avatar
my996duc1 my996duc1 is offline
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Not to highjack the thread but I have a question in the same area here......
Is there a way to shut them off ?
I have one sensor bad and it may be awhile before I get into the dealership to replace it. Every time I start it I have to clear the warning message.... getting old.

Thanks.
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  #4  
Old 07-26-2008, 03:34 PM
iowapack iowapack is offline
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2006 Chevy TrailBlazer SS
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Quote:
Originally Posted by CodyC6 View Post
Having problems getting my Tire Pressure Monitoring System into the reset mode. Rotated tires, and need to reset sensors. I've tried every combination of turning the lights from off to parking lights 4 times, and can't get the system to beep or light up.

Anybody that has done this could you give me an idea of how you turned the light knob?

Key is in on position.
Yeah, it sometimes takes me a couple of tries. The key is going from off to exactly parking lights, not a little before or after, and well under 4 seconds, I'm not sure the system always gives you that much time. Good Luck!

John
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  #5  
Old 07-26-2008, 03:48 PM
iowapack iowapack is offline
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Quote:
Originally Posted by my996duc1 View Post
Not to highjack the thread but I have a question in the same area here......
Is there a way to shut them off ?
I have one sensor bad and it may be awhile before I get into the dealership to replace it. Every time I start it I have to clear the warning message.... getting old.

Thanks.
You have to get a faulty sender isolated from the pickup to stop the warning. In my case I had to put the spare on. It warned me once, and then went away, displaying a "0" for tire pressure in that position. You might be able to shield the pickup with some foil or something, I don't know. Why not just replace the sensor? You can order one online for about $60 and have any good tire shop install it.

John
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  #6  
Old 07-26-2008, 10:26 PM
JJ JJ is offline
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What is a J-76049?
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  #7  
Old 08-03-2008, 01:45 PM
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aSS man aSS man is offline
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2007 Chevy TrailBlazer SS
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Quote:
Originally Posted by CodyC6 View Post
Having problems getting my Tire Pressure Monitoring System into the reset mode. Rotated tires, and need to reset sensors. I've tried every combination of turning the lights from off to parking lights 4 times, and can't get the system to beep or light up.

Anybody that has done this could you give me an idea of how you turned the light knob?

Key is in on position.
Cody, I had the same thing with mine, I took it to the dealer and they could not get it into relearn mode so they replaced the keyless entry reciever (located in the back hatch door) under warranty. Hope you've got your problem fixed or this helps you.
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  #8  
Old 08-23-2008, 01:57 AM
krazykanuckss krazykanuckss is offline
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2007 Chevy TrailBlazer SS
Black 6.0L LS2 V8 AWD
Join Date: Apr 2008
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Sorry to hijack but does anyone know the part number for the TBSS TPMS?? i need to order some for winter.
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  #9  
Old 12-13-2009, 06:14 PM
Irish Irish is offline
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2008 Chevy TrailBlazer LT
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Mine didn't work unless I put the parking brake on (as indicated in the directions)
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  #10  
Old 06-15-2010, 09:40 PM
GixxerSteph GixxerSteph is offline
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2008 Chevy TrailBlazer LT
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Just did mine today after putting it off since I put on the summer tires. Parking brake, key on, lights from off to parking within 4 seconds (horn chirps to acknowledge this). Then slowly let air out of driver tire until horn chirps, then move to passenger front and repeat process, then to passenger rear, then to driver rear. You should get a chirp after each tire sensor has relearned. Once that is done, turn key off. Done deal, it was easy as pie.
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