Cant get the hold light to go off
SOURCE: 2005 Chevy Aveo - engine light and hold lights flash
I also had the same problem, But the problem lies in the switch the actual hold switch on my aveo there is a side entry way you can pop off the one on the left will give you access to the switch. what could of happen is theres is condensation in inside the switch. then when it gets cold it freezes causing the switch to malfunction. This could happen either by spilling something on the switch or using a cleaning solvent like armorall, YOU MUST BE CAREFULL WITH ANYTHING LIQUID NEAR THE HOLD SWITCH. Also the car going from warm when you drive then cold when you park it at night. My car was in warranty and remind you I came up with is the dealership had no idea what was wrong. they reseted the computer it worked for a week then was happening again. I have knoweldge in switches/wiring so i decided to check pot the switch and open it up and sure enough there was condensation took it to dealer told them to try a new switch works perfect and going on 5 months with out problems. Replacing the switch can solve pretty much every problem that is stated here i think. Also take a look at the wiring and connections for older aveos
SOURCE: hold light blinking, check engine light on, engine slows down
check tps sensor (throttle position sensor in backside of the throttle cable) and map sensor (manifold absolute pressure on front little 1 inch sensor with vacuum line) make sure there plugged in. the ecm (engine control module driver side inner fender) and tcm (transmission control module under dash) both need the data to know when to upshift and increase fuel/air. Otherwise the computer runs default values and guesses off of other sensors giving poor performance. also disconnect battery for 15 min. usually resets aveo service lights if you dont have a scanner.
SOURCE: how to remove front passenger side interior door panel
You'll need to remove screws that are by the door handle, arm rest, under door and side of door and then gently pull back on the panel as there will also be retaining clips attached and you don't want to break them. If needed, you can pull back the weather seal (can't reuse it, but it's not that important) and you will be able to access everything inside the door
SOURCE: The HOLD LIGHT CAME ON AND CHECK ENGINE LIGHT CAME
There is a hold button on the shifter or the console. When activated the transmission is locked into the selected gear and the hold light will come on.
An example is putting the transmission in 4th gear, pushing the hold button, and taking off in the snow. Wheel slip would be limited.
You will need the check engine light code read with a scanner and diagnosed.
SOURCE: 2005 chevy aveo dtc P0300 and Hold light flash
Aveos had a service bullatin for some 04 and 05 models. Bad valves, had to have head reworked and solved problem. took car to 3 chevy dealers to find problem..
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