Question about 1999 Chevrolet Silverado 1500
The check engine light started flashing then my 2004 aveo wouldnt shift into overdrive
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Posted on Jan 02, 2017
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
Posted on Apr 01, 2009
Hello Joe...The Aveo has had it shares of problems, and this is one of them....NHTSA issued several bulletins on the 04 Aveo...this following is the one pertaining to the shift interlock.....
Make : CHEVROLET Model : AVEO Year : 2004
Manufacturer : GENERAL MOTORS CORP.
Service Bulletin Num : 070730007 Date of Bulletin: APR 01, 2007
NHTSA Item Number: 10022265
Component: POWER TRAIN:AUTOMATIC TRANSMISSION
AUTOMATIC TRANSAXLE/TRANSMISSION SHIFT LEVER MAY NOT SHIFT OUT OF PARK (REPLACE BRAKE TRANSAXLE SHIFT INTERLOCK (BTSI) SOLENOID). *KB
Take that bulletin number to your dealer and see if they can help.
Untill you can get it repaired heres a little tip for getting it out of park....There is a a little hole in front of their gearshift lever that can correct the problem, temporarily. It should say "brake interlock release" or something like that. With car running, put a key-size object into it and push down while moving the lever. It does not damage the transmission, it just releases the lock. (make sure your foot is on the brake)
Now for the brake light issue...do you have power at the switch you replaced? If so go to the relay and check there...if no power there it's probably a bad ground.
Also...you may or may not know, but the timing belts on these Aveos are prone to failure at aprox 50k ...these failures have caused severe engine damage.
Good luck...i hope the information i've provided you find useful.
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Posted on May 23, 2009
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.
Posted on Aug 02, 2009
A couple of days ago my brake lights on my 2004 Chevy Aveo wouldn't work, so I attempted to remove the lamp covers to check the bulbs. Also, before this my shifter would get stuck in park and could only be released by pressing the unlock gadget next to the shifter. Back to the brakes...Well, you open the trunk and remove the two screws just like the manual said, but it was very hard to pull off. There's 2 prongs holding the other half of the light on. The lamp will come loose by prying it (very hard). You think the cover will break, but it'll come loose. The bulbs were all OK.
After much frustration and internet info, the STOP LAMP SWITCH, GM#96436331 ($9.30 at Chevy dealer), which is located under the dash and has contact with the brake pedal, was defective. Once replaced, both my brake lights AND SHIFTING problems were cured. So if the brake lights suddenly don't work or you have problems getting the vehicle out of park, check the switch by pushing the prong (end that has contact with brake) of the switch in and out. If it doesn't retract smoothly...that's the PROBLEM. Good Luck.
Posted on Sep 11, 2009
P2135 Throttle Position Sensor (TPS) Property Malfunction, remember this is not a car that is built by GM it is a Korean import.
Posted on Jun 07, 2010
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