Buick Error Codes
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you will find the most complete list of Buick trouble codes available. The code definitions are a good starting point when determining the cause of the service engine light but where do you go from there? We have a large number of resources to help you pontiac error codes repair the problem. Here is how we suggest you proceed. Look up your code definition. This gmc error codes tells you where to start testing. If you are unsure of any abbreviations, check out the acronym list by clicking on the link at the cadillac error codes left. Next, read our article Automotive Circuit Testing 101, and if there is an article related to the system you are testing, such as Oxygen Sensors or EGR concerns, read these as well. They will provide valuable info! If there
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is a link to a specific diagnosis strategy for the code then follow that and start testing. If there is no procedure for your manufacturer specific code, then I suggest referring to a similar generic OBD II code (these are listed numerically by system type) to get a good idea of what to look for. If at this point you still need assistance use the "Get Help" link and let us know how we can help. We can provide information on chevrolet error codes component location, specifications, circuit color/location and more. We do ask that you please read the info available on the site first so that we can help reduce repeat questions. So please read our Disclaimer and when you're ready jump in! Be sure to scroll all the way to the bottom of the page as there is some great info there!Also we value your feedback and like to hear stories of unusual fixes or concerns you may have run into with your Check Engine Light, so feel free to share your experiences by using the "Contact Us" link. Let's go! We do our best to update these Buick Check Engine Light codes as frequently as possible. If you find one missing let us know and we we'll add it immediately! Please use the form on our Contact Page to get in touch with us. We certainly understand how frustrating it can be to look for a code definition and have it not online when you need it. And lets face it, if the service engine light is on then you need it now! It's easiest to use the "Find On This Page" feature of your browser's "Edit" menu to find codes on this page as the list is quite long. These are listed in numerical order for easy searching. When retrieving Buick trouble codes with an OBD II scan tool, proceed as follows: 1. Connect scan tool to the 16-pin data link conn
Links From » Buick Trouble Codes / Service Engine Soon » These Trouble Codes and procedures are for use for most 1982 thru chevy error codes 1992-1993 Buick vehicles that use a 12pin ALDL connector. Although this is
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a very simple and a some-what common procedure, like all helpful hints and/or suggestions, you are doing them at
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your own risk. If you should need help or need additional information with your Buick, please consult with your local Buick mechanic. The Engine Control Module (ECM) is basically a computer. https://www.engine-light-help.com/buick-check-engine-light.html It uses sensors to read engine operating parameters. It knows what parameters should be under certain conditions. If a sensor reading is not what the ECM knows it should be, then the ECM will illuminate the amber "Service Engine Soon" or "Check Engine" light on the instrument panel. If or when this happens on your car, you can tell which sensors or codes http://www.trishield.com/Directory/troublecodes.shtml are set/malfunctioning by using the Assembly Line Diagnostic Link connector (ALDL) (the ALDL is usually located under the dash). You can extract these codes by connecting terminal "B" with terminal "A". This will put the ECM into "diagnostic mode." You can use a Sunpro Code Scanner (CP9001 - for around $30 at your local car parts store) or simply use a paper-clip. However, for the best readings and to help with "tuning" of your car, you will ultimately want to purchase some sort of electronic scan tool or a program like TURBO-LINK that works on a laptop computer. Using the Sunpro Code Scanner or the paper-clip method (which is great for out in the middle of now-where), this will "flash" the "Service Engine Soon" or "Check Engine" light a selected amount of times depending upon the code or sensor that may be at-fault. Here's what you will need to do. A piece of paper and a pencil would also be handy to write down any codes. Insert the Sunpro Code Scanner or the paper clip into the ALDL connector and switch the ignition into the "on" pos
coolant sensor or circuit/ high temp indicated 15- coolant sensor or circuit/ low https://www.obd-codes.com/trouble_codes/gm/gm-2-digit-codes.php temp indicated 16- system voltage out of range 19- crankshaft position sensor or circuit 21- throttle position sensor or circuit- voltage high 22- throttle position sensor or circuit- http://buickforums.com/forums/threads/1331-Error-Codes-from-Radio-Cassette-CD-unit voltage low 23- mixture control (m/c) solenoid or circuit (carbureted models) 23- manifold air temperature (mat) sensor or circuit (1990 and earlier models) 23- intake air temperature (iat) error codes sensor circuit (fuel-injected models) 24- vehicle speed sensor (vss) or circuit 25- manifold air temperature (mat) sensor or circuit - high temperature indicated (1990 and earlier models) 25- intake air temperature (iat) sensor or circuit - high temperature indicated (1991 and later models) 26- quad driver module circuit 27- quad driver module circuit 28- quad driver buick error codes module circuit 29- quad driver module circuit 31- park/neutral position (pnp) switch circuit 32- baro sensor or circuit (carbureted models) 32- egr circuit (fuel-injected models) 33- manifold absolute pressure (map sensor signal voltage high 33- mass air flow (maf) sensor or circuit - excessive airflow indicated 34- manifold absolute pressure (map) sensor signal voltage low 34- mass air flow (maf) sensor signal - low airflow indicated 35- idle speed control (isc) switch or circuit (shorted) (carbureted models) 35- idle air control (iac) valve/ circuit 38- brake switch circuit 39- torque converter clutch (tcc) circuit 41- no distributor signals to ecm, or faulty ignition module ( carbed models) 41- cylinders select error- mem-cal or ecm problem ( fuel-injected models 41- cam sensor circuit (3.8 engine) 42- bypass or electronic spark timing (est) circuit 43- low voltage at ecm terminal l (carbureted models) 43- knock sensor circuit 44- oxygen sensor or circuit - lean exhaust detected 45- oxygen sensor or circuit - rich exhaust detected 46- power steer
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