Question about 2005 Pontiac Grand Prix

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05 Pontiac GP warning light coming on when starting car

Hi - this past weekend I stopped to put air in my tires before a road trip...inflated all four to 40psi. Shortly afterwards my tire pressure warning light came on and now it comes on each time I start the car. I checked the tires again yesterday and they were fine. Would this be a faulty sensor?

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Never mind...I got a bright idea to read the owner's manual and figured it out. Doh!

Posted on Dec 29, 2008

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Tyre Pressure and ABS


By operating the tire pressure warning system reset switch, tire pressure warning system ECU can be set to issue a warning at an inflation pressure that corresponds with the type of tires.
Operate the tire pressure warning system reset switch only after the inflation pressures of all 4 tires have been adjusted on the vehicle.
To initialize the system, press and hold the tire pressure warning system reset switch for 3 seconds or longer with the power switch turned IG-ON. When starting the initialization, the tire pressure warning light blinks 3 times at 0.5 Hz.
During the initialization, the tire pressure warning system valve & transmitter measures the inflation
pressure of the tires, and registers the signals that are transmitted into the ECU at a frequency of 1 per
minute. The initialization process is completed when the signals from the tires have been received.
Once the tire pressure warning system reset switch has been pressed, do not turn the Ignition switch OFF for a few minutes.

Mar 05, 2014 | 2002 Toyota Corolla

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My ( ! ) light stays on


Hi there:
Is your TPMS Warning Light On? The Tire Pressure Monitor System monitors the inflation pressure of the tires on your vehicle. If the pressure inside any tire drops 25 percent or more below its recommended inflation pressure, the warning light comes on to alert you.


Should you stop driving and check your tires immediately? It would probably be wise to find a safe place to stop or pull over so you can check the tires. You may just have a low tire that has been slowly seeping air over a period of time. Or, you may have a tire that is going flat. The TPMS Warning Light only tells you the pressure is low in one of the tires, not how fast the tire is losing pressure.


Important: Check the pressure in ALL of your tires, not just the one that triggered the TPMS Warning Light. Why? Because you may have other tires that are also low, but not low enough to trigger the warning light.
If you discover that one or more tires are low, add air to bring them back up to the recommended inflation pressure for your vehicle. You can find this information on a decal which may be mounted in a door pillar, the glovebox, or in your owners manual (which you should carry in your glove box).


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May 26, 2012 | Holden Vectra Cars & Trucks

1 Answer

Tpms light on, dic indicated low tp fr, inflated to proper pressure,tpms stays on, dic wont update


TPMS - TIRE PRESSURE MONITOR WARNING LIGHT
NOTE: Tire pressure rises and falls depending on heat caused by vehicle's operation and the outside temperature. If outside temperature is low, the air inside the tire may cool, causing a lower tire inflation pressure. This may cause the low tire pressure warning light to illuminate.

When the tire pressure warning light comes on, immediately check the air pressure of all tires and adjust to the specified pressure. Make sure the warning light goes off. If the warning light stays on or flashes, there is a malfunction in the TPM system. See appropriate manufacturer service information.

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Feb 13, 2012 | Cars & Trucks

1 Answer

The tpms is on


Hi, if you see this TPMS icon illuminated, it means your vehicle has a low tire. STOP, and check the inflation pressure in your tires. This warning light will come on if tire pressure in any of your tires falls more than 25% below the recommended inflation pressure (refer to your owners manual, or the tire inflation decal in the glovebox, driver door pillar or gas tank filler cap lid for tire inflation pressure recommendations).
The TPMS warning light should come on for about one second when the ignition key is first turned on for a bulb check. It should then go out if all of the tires are properly inflated. If it does not go out, or it comes on while driving, you have a low tire.
If the TPMS warning light is flashing, it indicates a fault has been detected in the TPMS system that will require further diagnosis. Common faults include a bad tire pressure sensor, a defective keyless entry receiver module, a fault in the TPMS or body control module (BCM), or wiring problems in the keyless entry/TPMS/BCM circuit.

Jun 25, 2011 | Kia Sedona Cars & Trucks

1 Answer

Tyre pressure warning light showing when pressures are correct


Hi, the tire pressure monitor detects any changes in the tire inflation pressure. Therefore, it must initialize and store it in its memory if the tires or wheels have been replaced, re-inflated or the tires have been rotated. You can re-initialize the system by following these steps:

1. Check and make sure that your tires are inflated to the correct pressure

2. Turn the ignition switch to the ON position. If the low tire pressure warning light comes on, push and hold the tire pressure warning reset switch (in the glove box) until the warning light turns off and then release the switch.

3. Now press and hold the tire pressure warning reset switch until the low tire pressure warning light blinks three times.

4. Initialization is *not* completed until driving at the vehicle speed of 19 mph or over for more than one hour. the tire pressure monitoring starts when initialization is completed.

May 13, 2011 | Renault 18I Cars & Trucks

1 Answer

Service tire monitor on what is the problem? how do you reset the system?


TIRE PRESSURE MONITOR SYSTEM
The Tire Pressure Monitor System (TPMS) uses radio and sensor technology to check tire pressure levels. If your vehicle has this feature, sensors are mounted on each tire and wheel assembly, except the spare tire. The TPMS sensors monitor the air pressure in your vehicle's tires and transmit tire pressure readings to a receiver located in the vehicle.

The TPMS is designed to alert the driver, if a low tire pressure condition exists. This system also allows the driver to check tire pressure levels using the Driver Information Center (DIC).

When a low tire pressure condition is detected, the TPMS displays the "CHECK TIRE PRESSURE" warning message on the DIC, and at the same time illuminates the low tire pressure warning symbol.

You may notice, during cooler weather conditions, that the tire pressure monitor light, located on the instrument panel cluster, and the "CHECK TIRE PRESSURE" message will appear when the vehicle is first started and then turn off as you start to drive the vehicle. This could be an early indicator that the tire pressures are getting low and need to be inflated to the proper pressure.

Each tire, including the spare (if provided), should be checked monthly when cold and inflated to the inflation pressure recommended by the vehicle manufacturer on the vehicle placard or tire inflation pressure label. (If your vehicle has tires of a different size than the size indicated on the vehicle placard or tire inflation pressure label, you should determine the proper inflation pressure for those tires.)

As an added safety feature, your vehicle has been equipped with a tire pressure monitoring system (TPMS) that illuminates a low tire pressure telltale when one or more of your tires is significantly under-inflated.

Accordingly, when the low tire pressure telltale illuminates, you should stop and check your tires as soon as possible, and inflate them to the proper pressure. Driving on a significantly under-inflated tire causes the tire to overheat and can lead to tire failure. Under-inflation also reduces fuel efficiency and tire tread life, and may affect the vehicle's handling and stopping ability.

Please note that the TPMS is not a substitute for proper tire maintenance, and it is the driver's responsibility to maintain correct tire pressure, even if under-inflation has not reached the level to trigger illumination of the TPMS low tire pressure telltale.

The "CHECK TIRE PRESSURE" warning message and low tire pressure light (telltale) will appear at each ignition cycle until the tires are inflated to the correct inflation pressure.

The Tire and Loading Information label (tire information placard) shows the size of your vehicle's original tires and the correct inflation pressure for your vehicle's tires when they are cold.

Your vehicle's TPMS can alert you about a low tire pressure condition but it does not replace normal tire maintenance.

NOTICE: Do not use a tire sealant if your vehicle has Tire Pressure Monitors. The liquid sealant can damage the tire pressure monitor sensors.

RESETTING THE TPMS IDENTIFICATION CODES
Each TPMS sensor has a unique identification code. Any time you rotate your vehicle's tires or replace one or more of the TPMS sensors, the identification codes will need to be matched to the new tire/wheel position. Each tire/wheel position is matched to a sensor, by increasing or decreasing the tire's air pressure. The sensors are matched to the tire/wheel positions in the following order: LF TIRE (left front tire on the driver's side of the vehicle), RF TIRE (right front tire on the passengers side of the vehicle), RR TIRE (right rear tire on the passengers side of the vehicle), and LR TIRE (left rear tire on the driver's side of the vehicle).

You will have one minute to match the first tire/wheel position, and five minutes overall to match all four tire/wheel positions. If it takes longer than one minute, to match the first tire and wheel, or more than five minutes to match all four tire and wheel positions the matching process stops and you will need to start over.

The TPMS sensor matching process is outlined below:
  1. Set the parking brake.
  2. Turn the ignition switch to "RUN" with the engine off.
  3. Turn the headlamp switch from "OFF" to the parking lamps setting four times within three seconds. A double horn chirp will sound and the TPMS low tire warning light will begin to flash. The double horn chirp and flashing TPMS warning light indicate that the TPMS matching process has started. The TPMS warning light should continue flashing throughout the matching procedure. The "SERVICE TIRE MONITOR" message will be displayed on the Driver Information Center (DIC).
  4. Start with the driver's side front tire.
  5. Remove the valve cap from the valve cap stem. Activate the TPMS sensor by increasing or decreasing the tire's air pressure for 10 seconds, then stop and listen for a single horn chirp. The single horn chirp should sound within 15 seconds, confirming that the sensor identification code has been matched to this tire and wheel position. If you do not hear the confirming single horn chirp, you will need to start over with Step 1. To let air-pressure out of a tire you can use the pointed end of the valve cap, a pencil-style air pressure gage or a key.
  6. Proceed to the passenger's side front tire, and repeat the procedure in Step 5.
  7. Proceed to the passenger's side rear tire, and repeat the procedure in Step 5.
  8. Proceed to the driver's side rear tire, and repeat the procedure in Step 5.
  9. After hearing the confirming horn chirp for the left rear tire, check to see if the TPMS warning light is still flashing. If it is, turn the ignition switch to LOCK to exit the sensor matching process. If the TPMS warning light is not flashing, the five minute time limit has passed and you will need to start the process over beginning with Step 1.
  10. Set all four tires to the recommended air pressure level as indicated on the Tire and Loading Information label.
  11. Put the valve caps back on the valve stems. The spare tire does not have a TPMS sensor. If you replace one of the road tires with the spare, the "CHECK TIRE PRESSURE" message will be displayed on the DIC screen. This message should go off once you re-install the road tire containing the TPMS sensor. The "SERVICE TIRE MONITOR" message is displayed when the TPMS is malfunctioning. One or more missing or inoperable TPMS sensors will cause the service tire monitor message to be displayed.

Nov 23, 2010 | 2006 GMC Yukon

1 Answer

2005 Pontiac Grand Prix tire pressure warning light


try turn key on on do not start press lock and unlock at same time to put into learn mode for tps monitors adjust tire pressures left front right front right rear left rear in order.

Dec 29, 2008 | 2005 Pontiac Grand Prix

2 Answers

07' mitsu. endeavor. what is the warning light on the lowest right hand corner of the dash. it looks like an upsidedown half circle with a jagged line as the bottom of it and an exclamation point inside of...


This sounds like the low tire pressure warning light. The tires have small sensors on the back side of each valve stem that monitor your tire pressure. I live in the northeast and when the temperature really drops I get the same light. Usually once you get rolling the friction of the tire on the road heats up the air in the tire causing it to expand to it's proper pressure. You may want to check your pressures to ensure that they are inflated properly.

Dec 15, 2008 | 2007 Mitsubishi Endeavor

1 Answer

Tire pressure monitor


32 psiis actually low for a 3500. I have a 1500 silverado that runs 44 psi cold. The tire inflation monitor , monitors inflated cirunference. Sooooo, If it isn'nt round enough, it will let you know. Driving warms up both the air and the tire,off course changing everything again. Pressure is up and tire is bigger. Ask me not how it can tell what is going on with the tire sitting still. I'm only on page 9,000, the answer is here somewher. :-) Well good luck. I do know the above is accurate._Ned_

Jun 26, 2008 | 2004 Chevrolet Silverado 3500

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