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computers

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How to Reset Your Check Engine Light
There are many warning lights that can illuminate on your dashboard. They can be indications of a pending failure in any number...
Symptoms of a Bad or Failing AC Control Module
Common signs include inconsistent cooling, out-of-date software, and uneven air distribution, since the module controls the whole AC system.

Related questions

Question
When putting foot on accelerator, brake, or shifter, car dies
A few different faults can cause the vehicle to go into a limp mode. The ECU puts the car into this mode to prevent damage and will be associated with a Check Engine Light. The most likely causes are a...
Question
When putting foot on accelerator, brake, or shifter, car dies
There are some technical bulletins for replacing the ECU on your 2005 Kia Amanti for drivability problems. With what you said, what they want to do is along these lines. They may be able to reprogram the computer or need...
Question
Vehicle will sometimes turn over, but not start
Based on your description, it sounds like your 2007 Mercedes GL450's fuel pump may be randomly shutting off. This can be due to a malfunctioning powertrain control module as the repair shop told you. This can also be related to...
Question
How do I set the clock?
Your truck has a clock built into it so you never have to go searching for the current time. If the clock ever gets off by a few minutes or when Daylight Savings Time occurs, you can adjust the time...
Question
How do I change the Language?
The Base Message Center is a helpful tool when looking at how your vehicle is performing. For your convenience, you can change the Language of the Base Message Center to meet your needs. To change the language of the message...
Question
How do I calibrate the compass?
The Compass will help you navigate. If the Compass can be calibrated at any time as long as all electrical accessories are off, the doors are closed, and you are in an open area away from steel structures. From there...
Question
How can I reset the computer
Unhooking the battery and jumping the positive and negative terminals should clear any trouble codes. Be sure to unhook both as this can be very dangerous if not done properly. If not experienced in doing this, I would recommend...
Question
Crank no start
Hey there, thanks for asking about your 2002 Ford Crown Victoria. Burned wires can signify that there has likely been a short somewhere in the electrical system. Often times when this happens, it is quite easy for the car's computer...
Question
Car misfires
One thing comes to mind with your car. There is a bulletin to solve a problem with fuel injector primary circuit codes. P0351-P0356. This may or may not repair the misfire, but it will prevent the false codes. If this...
Question
Car Jerking
This sounds like a frustrating experience. There are actually quite the variety of possibilities that could make your Opel jerk while driving. It is possible that your vehicle has developed one or more vacuum leaks and as these...
Question
Automatic transmission problems
Hello. It may be possible that the transmission control module can be reprogrammed, however, only a specialist with the correct equipment and software would be able to do so. If the TCM has failed, it may simply be easier to...
Question
I have a 2009 Saturn Vue had to replace the ignition switch inhooked the battery because the car got stuck in the on position I
You will need to first try to turn key to the on position and wait for 5 minutes to see if theft system turns off so the vehicle can then be started? If still will not start then you will...
Question
Replaced pcm in a 2011 grand caravan why won't it turn over
You will need to have the computer reprogrammed at a dealer to work on your car. The PCM is designed to only give three starts then lock you out unless reprogrammed.
Question
My local mechanic said I need to go to the dealership to have them do the timing on my 2006 LR3 v6.
Hi there. If the code is for P0011, then there is an issue with the VVTi system. The Variable Valve Timing solenoids are not functioning properly. First change the engine oil and filter. Then clear the codes by removing the...
Question
I have a mazda 3 2007 and I do not know where the TCM is. It is not under the battery, so where else can be?
The transmission control module (TMC) is located directly on top of the transmission under the battery tray. If you need further assistance with replacing the TMC, then seek out a professional, such as one from Your Mechanic, to help you....
Question
No bus error message on the dashboard.
No Bus refers to the data bus by which the computer (ECM) in the vehicle communicate with each other and with the various components which they read and control. There could be a broken wire, a corroded or loose connection,...
Question
Replaced E38 computer on 2006 Pontiac g6. Should I try it out or does it need programming first?
The computer (ECM) will need programmed to the VIN of your vehicle before attempting to operate the vehicle. If you need further assistance with programming your computer, then seek out a professional, such as one from Your Mechanic, to help...
Question
No power to the ignition.
When hooking up the battery cables backwards, the polarity of the voltage is reversed and will cause the fuses to pop, the alternator to burn out the regulator, and the computer (ECM) will burn up the ground circuit inside the...
Question
My boy accidentally hooked battery cables up wrong on his truck, and now it's got white smoke that smell like gas coming out.
When hooking up the battery cables backwards, the ground became the hot and the hot became the ground. Most likely the computer (ECM) could have failed and the fuel pump may have burned up. I recommend checking all of the...
Question
PO700 code is read on a code reader.
Hi there. The computer to the transmission (TCS) has failed and is not responding to any sensors and solenoids. When the TCS fails, it shuts off power to the transmission putting it into a limp mode as if the harness...

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