Check Engine
Codes for a Chevy Avalanche
Manufactured in 2002, the Chevy Avalanche has always integrated a moment account of on-board diagnostics (OBD II). OBD II universalized the Accoutrement and adapters needed to diagnose proof engine codes on all passenger vehicles and light-duty trucks. Prior to the implementation of OBD II, computers in cars that would trigger probation engine lights (also known as malfunction indicator flare or MIL) to seem (indicating an engine principle) and regularly used custom Accoutrement for particular makes and models. While OBD II scanners were expensive and cumbersome to applicability at inaugural, there are pdq affordable pocket scanners for the home-mechanics to diagnose their own vehicles.
Instructions
1. Bare the Chauffeur's side door of the Chevy Avalanche. Bend over under the Chauffeur's side sprint and fix the diagnostic link connector (DLC). It is on the left ability side of the steering rotate under the sprint. This 16-prong trapezoidal-shaped connector matches the shape of the plug remain of the cord on the pocket scanner.
2. Plug the pocket scanner into the DLC. Owing to of its shape, you can exclusive plug it in one hang-up. The battery of the Avalanche Testament equip potential to the pocket scanner so an "On" Press-stud is not required.
3. Situate the ignition switch in the finery energy position. This is besides hackneyed as the key-on/engine-off position. The battery Testament equip capacity to all the accessories without the engine running.
4. Most common codes are listed in numeric sequence and will give you a general description of the engine code. Understand this description may not pinpoint the problem with the Avalanche and more professional diagnostics may be required. For most P-codes (the most common), you can usually figure it out or talk to an auto parts store person for help diagnosing the engine code.
5. Follow the onscreen menu on the pocket scanner and use the available scroll button(s) to select the "DTCs" (diagnostic trouble codes) or the "Read Codes" option and then press the "Enter" or "Send" button. It will take a moment for the scanner to read any codes or pending codes.
6. Jot down the engine code numbers on the Avalanche with a pen on a piece of paper. Most pocket scanners may offer a brief code description or may simply show the number of the code. P-codes (powertrain) are the most common, but you may see C-codes (chassis), U-codes (invalid or missing data) or B-codes (body).
7. Refer the number to the operations manual for the pocket scanner. Mention to the action publication of the pocket scanner. There are many brands with variable options and most of them overhaul similarly. Operating most pocket type scanners is basically self-explanatory.
