Q: 2002 GMC Envoy message displayed on message board, turn engine off now. What does this mean?

asked by on January 28, 2017

I was pulling into driveway to park when this message was displayed, so I shut the car off anyway. Message never reappeared after that. It was at nite. Live in Pueblo colorado

My car has 172000 miles.
My car has an automatic transmission.

Warning Light is on Inspection $94.99 - $114.99 Get a Quote

Hi there. The message could have came on for something that may have been active on the engine or transmission. If the light comes on again, then the computer (ECM) should store the events and you could have them read to determine the cause of the warning message.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing


Experienced Mechanic?

Earn up to $70/hr

What others are asking

What is Tire Camber?
When talking about your alignment, you may hear terms like camber, caster, or toe. These are all angles that are built into your suspension (https://www.yourmechanic.com/services/brakes-steering-and-suspension-inspection) that affect the way that your vehicle drives, handles, and how the tires wear. Over...
Heater valve stuck.
The heater control valve (https://www.yourmechanic.com/services/heater-control-valve-replacement) is mounter under the hood on this vehicle. The valve should be closed when the temperature is set to cold for the rear a/c system. The recommendation would be to have a qualified mechanic check...
Is the transmission control solenoid inside or outside the transmission?
Hi there. This code comes up when there is a circuit issue with the pressure control solenoid. This unit is located internal to the transmission. In a lot of cases, the issue is the wiring harness to the solenoids and...
I bought an ignition control module and no one seems to know where it goes. Is it in the distributor fuse box or computer or where
It is in the distributor (https://www.yourmechanic.com/article/how-does-a-distributor-work). Remove the distributor cap, remove the rotor. There are two connectors on the outside, and one on the inside. Be very careful with the one on the inside, it tends to be brittle. Two...
My Yukon Denali is AWD. With front tires off the ground, should the drive shaft and both tires spin freely of each other?
Hi there, thanks for writing in. I'd be happy to help. This is a normal thing. Your front axle carrier has an electronic actuator that locks it in only when the transfer case is locked into 4WD. The fact that...
White smoke billows out of exhaust pipe
Hey there. White exhaust smoke is generally indicative of a blown head gasket or other conditions where water or water vapor is getting into the engine. Higher mileage vehicles are especially prone to this potential problem. Have a professional mechanic,...
Oil light goes off and on.
This light will usually come on when one of two things are happening. Either the motor is in fact low on oil or the oil pressure sending unit (https://www.yourmechanic.com/services/oil-pressure-sensor-replacement) is not working properly and may be producing a faulty reading....
No heat in my 1995 Jeep Cherokee
Hello - to resolve your "no heat" issue (https://www.yourmechanic.com/question/heater-not-working-reliably-is-it-caused-by-a-bad-thermostat-by-thomas-c), first check that the engine is running at design temperature (center of the gauge), or 190-205 degrees Farenheit. If engine is up to temp, grab the heater hoses (carefully) inside the...
When I am driving the car will stopping accelerating as if I took my foot off the pedal but my foot hasn't even moved.
Hello, thank you for writing in. The vehicle may be having issues with the throttle or throttle position sensor. These can be tested and replaced if needed. When this happens, you should also scan the vehicle for diagnostic troubleshooting codes....

Related articles

What Does the Jack Mode Warning Light Mean?
The jack mode warning light lets you know when your car is suspended at a certain height, which may make it easier to perform service or repair on it.
What Does the Rear Spoiler Warning Light Mean?
The rear spoiler warning light lets you know when an issue has been detected with the spoiler system, usually due to a connector or fuse issue.
What Does the Trunk Open Warning Light Mean?
The trunk open warning light indicates when your trunk is not properly closed. If you are unable to close it, the latch may need to be fixed.