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2005 Buick LaCrosse - Page 2 Questions & Answers
How to program keyless entry remote for buick lacrosse?
I own a 2007 Buick Lacrosse, but I imported it to Paraguay, South America. Now I bought a new Engine Start Keyless Entry Remote from Amazon, but here we do not have any GM dealer to program the unit.
I really need help to program the keyless remote control, I will appreciate very much your help.
05 lacrosse when starting it will dies
I found the fix with help from dealer with no charge I forget what the part is called but follow air intake line to top of engine disconnect it- their is a butter fly here that sticks when dirty all you have to do is is get some cleaner from parts store and clean build up out mine runs great now
How many blend door actuators on 2005 Buick lacrosse
If you have separate heat/cool selections for the driver and the passenger, you have two blend door actuators, otherwise just one. You also have a mode door actuator, a recirculating door actuator, and possibly a defrost door actuator.
How do i replace on my raditor on my 2005 buick Lacrosse cxl 3.8?
There is nothing unusual about this radiator, but replacing it can be messy. You need to drain the radiator using the valve at the bottom (may be hidden by an air deflector panel at the bottom front of the car), remove the cowling above the radiator, disconnect and remove the cooling fan(s), disconnect all hoses (and pipes if connected), then remove the retaining bolts in the bracket above the radiator. You can then pull the radiator up and out.
If this is a radiator that includes an integrated engine and/or transmission oil cooler, you need to be aware that fluid will leak fluid from the disconnected pipes. Although the amount is usually small, you will need to check these fluid levels when you are done and top up if needed.
Reverse this procedure with the new radiator and be very careful not to damage it. Be sure to use an "all types" antifreeze to avoid corrosion in future.
LED instrument panel display and Heater, and Radio dim
It's called a ambient light sensor . The ambient light sensor is a light-sensitive transistor that varies its voltage signal to the body control module (BCM) in response to changes in the outside (ambient) light level
If the technician didn't know if it would fix it or not , should have found a more knowledgeable tech. Hooking up a factor scan tool would have found a DTC - diagnostic trouble code in the BCM - body control module .
DTC B2645 Ambient Light Circuit
Car just dies when your
Have you taken the vehicle any where an had diagnostic's run ? Given all the electronic's on your vehicle your problems could be caused by any number of thing's ! An guessing could cause you to just replace parts , an that's not the way to diagnose this . Hooking up a factory or professional scanner an test driving the vehicle while a qualified tech veiw's sensor data to see what is droping out would be the way to diagnose,could have a sensor shorted out internally ,but which one ? This would bring down the five volt ref. circuit in the PCM. Plus the starting system on your vehicle is computer controlled . The ignition switch is an input to the BCM -body control module , the BCM sends a crank message to the PCM - engine computer ,the PCM energizes the crank relay which sends B+ voltage to the S terminal on the starter solenoid . Your best bet , have a qualified repair shop check it out . You have no idea of the complexity of the electronic's on your vehicle. The starter staying engaged could be as simple as relay contacts sticking or as complicated as a BCM or ignition switch problem I know GM had their share of problems with both .
This is out of GM service repair manual .
Circuit Description (Key Start)
When the ignition switch is placed in the Start position a discrete 12 volts signal is supplied to the body control module (BCM) notifying it that the ignition is in the Start position. The BCM then supplies a class 2 message to the engine control module (ECM) / powertrain control module (PCM) notifying it that CRANK has been requested. At the same time the BCM is supplying 12 volts for the IGN 1 Relay closing it and supplying battery positive voltage for the crank relay coil. The ECM/PCM verifies that the transmission is in Park or Neutral. If it is, the ECM/PCM grounds the control circuit of the CRANK Relay. When this occurs battery positive voltage is supplied through the switch side of the crank relay to the S terminal of the starter solenoid.
12/25/2017 12:45:49 PM •
2005 Buick...
•
Answered
on Dec 25, 2017
Keyless entry does not unlock
RFA / MOD fuse 10amp . location - insturment panel fuse box. Fuse Block - I/P
Right side of the I/P, behind the access panel
If the fuse is good your best bet would be to take it to a qualified repair shop , that doesn't mean the dealer . Lot of good independant repair shops around , just have to check the yellow pages.
Do you know what DTC'S are ? diagnostic trouble codes ! Not only the ones for the engine management system OBD 2 . There are also DTC'S for the remote keyless entry system , BCM - body control module. You need a factory or professional scan tool to view this codes
DTC B3101
DTC B3102
DTC B3103
DTC B3106
The remote control door lock receiver (RCDLR) communicates with the body control module (BCM) through the keyless entry serial data circuit. When any button on the keyless entry transmitter is pressed, the transmitter sends a signal to the RCDLR. The RCDLR sends a lock, unlock, or panic alarm request to the BCM, depending on which button is pressed on the transmitter. The BCM receives the message and performs the appropriate function. The BCM also uses the keyless entry serial data circuit in order to communicate with the RCDLR when programming transmitters. Do you know what serial data circuits are ?
DTC B3101 Keyless Entry Data Link Circuit Range/Performance
DTC B3102 Keyless Entry Data Link Circuit Low
DTC B3103 Keyless Entry Data Link Circuit High
DTC B3106 Keyless Entry Data Link Parity Error
This is what the factory manual said as to the location of power steering fluid reservoir ! Not much help , you would do better googling it.
The power steering fluid reservoir holds the power steering fluid and may be integral with the power steering pump or remotely located. The following locations are typical locations for the remote reservoir:
• Mounted to the front of the dash panel
• Mounted to the inner fender
• Mounted to a bracket on the engine
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