How do you read fault codes?
Inserting and Reading an OBD Scanner
- Step 1: Locate your vehicle’s OBD port.
- Step 2: Plug your OBD scan tool into the connector.
- Step 3: Read the codes in the computer.
- Step 4: Record the codes that display.
- Step 1: Break down your code into sections.
- The first section is the first character, which is always a letter.
What causes fault codes?
These codes are triggered when the fuel/air ratio includes too much air or too little fuel, giving you a lean fuel mixture. This problem can be caused by leaky valves, dirty sensors or fuel injectors, or low fuel pressure due to pumps or the fuel pressure regulator.
How do fault codes work?
Each code corresponds to a fault detected in the car. When the vehicle detects an issue, it will activate the corresponding trouble code. A vehicle stores the trouble code in it’s memory when it detects a component or system that’s not operating within acceptable limits.
How can I read my car code without a scan tool?
Flip your car’s ignition on and off a couple of times without cranking the engine and finish with the key in the on position. Your car will then check for any saved trouble codes. All the lights on the dash should light up until one remains on—usually the “service engine” light.
Do cars Store error codes?
Most auto parts stores carry simple code readers and scanners, and you can also buy them online. Most auto parts stores carry these manuals as well. Your vehicle repair manual or the computer codes manual will help you interpret the trouble codes.
What is HTR code?
The HTR code package (HCP) allows for the simulation of several safety-related aspects of a High Temperature Reactor core in a highly integrated manner. So with HCP different fuel strategies and their influence on various kinds of accidents can be examined with one consistent reactor model.
What does clearing fault codes do?
On clearing the codes with the “Erase Codes” function, the system status changes to “Not Ready”. Take several individual trips until the system reads the status of all the components once more. “Several trips” means you shut off the engine and start another trip each time.
What are SPN codes?
The Suspect Parameter Number (SPN) is diagnostic fault code terminology found on some of our equipment using a J1939 CAN data link.
What is a passive fault code?
Passive – faults that can be cleared after reading the trouble codes without changing car parts. Active – active faults are faults which can’t be cleared without fixing or changing car part.