Review Of How To Determine Check Engine Light Codes 2023. It’s the orange icon that lights up on the dash to inform you there’s something wrong with the car and that your wallet is likely to take a hit. Web the trouble code can be read using a diagnostic scanner, which can help identify the issue and guide the repair process.

Use your odometer reset to check engine light codes. It could be something as simple as a loose gas cap or a more serious issue like a malfunctioning sensor. Then, use a free computer code reader to help you understand them.