2022 Chevrolet Silverado 2500 HD Has A Check Engine Light

Resolve Check Engine Light Issues in 2022 Chevrolet Silverado 2500 HD

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Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
40% chance it's the
Emissions System
0%
60% chance it's
Something else
The most common reasons a 2022 Chevrolet Silverado 2500 HD has a check engine light are an emissions system component, a sensor, or a catalytic converter.
  • Emissions System: A faulty emissions system component, such as an oxygen sensor or EGR valve, can lead to increased emissions and trigger the check engine light.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2022 Chevrolet Silverado 2500 HD has a check engine light?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

A faulty oxygen sensor is one of the most common causes of a check engine light. Symptoms may include a decrease in fuel mileage, hesitation or misfiring from the engine, rough idling or even stalling. A faulty sensor may cause the vehicle to fail an emissions test.

Any time there is an emissions fault the check engine light will be displayed. The purpose of the check engine light is to inform the driver that an emission related fault has been found, and that there are on-board diagnostic (OBD) trouble codes stored in the powertrain or engine control module. Additionally, since the emissions systems are so intertwined into engine control and transmission control systems, symptoms may include nearly any sort of drivability concerns. This may include harsh shifting, failure to shift, hesitation on acceleration, jerking, engine failure to start or run, loss of power, or any number of other drivability issues.

Due to the nature of electrical systems on modern vehicles, the range of problems these can cause are nearly limitless. However, there is a way to categorize them in two ways. Permanent and intermittent problems. Permanent problems appear and remain. This may be the vehicle will not start, the radio does not work, or the door chime will not turn off among many, many others. These problems are more straight-forward to diagnose since they present themselves at all time. This means there will always be a fault to find. Intermittent electrical problems, however, can be difficult or impossible to locate, since they appear then disappear without warning. The best case scenario for an intermittent issue is when replicating the problem is easily accomplished and understood. This allows a technician to make an issue semi-permanent, allowing them to find the fault. Other issues that come and go without warning and cannot be replicated on demand must occur when the technician is servicing the vehicle, otherwise there is no problem to correct. It is most important to understand that electrical system faults always require inspection, and can include the vehicle working in any manner, or not working at all.

Like we noted in the last section, general diagnosis symptoms are the most vague of the bunch. There are several diagnostic spectrums, electrical diagnosis, drivability diagnostics, engine diagnostics, transmission diagnostics, and the list could continue for about 5 or 10 more spectrums of diagnostics. The most important take-away here, is that general diagnostics are diagnostics that have no other spectrum in which they fit, or the problem is unknown. This means that any vehicle left outside of a repair facility with the keys and an authorization to perform diagnosis will be diagnosed under the general diagnosis spectrum.

When the Check Engine Light comes on, you may experience engine performance issues such as poor acceleration, rough idling, or an engine that won't start. In some cases, no abnormal symptoms will be experienced. Other systems like the transmission or ABS can cause the Check Engine Light to illuminate and lights for those systems can come on at the same time. Similar lights may say "Check Engine Soon", "Malfunction Indicator Light" or just "Check". In rare case the engine can overheat.

What are the initial steps to diagnose the check engine light on a 2022 Chevrolet Silverado 2500 HD?

To effectively diagnose the check engine light on your 2022 Chevrolet Silverado 2500 HD, start with a thorough visual inspection of the vehicle. Begin by checking the gas cap; ensure it is securely tightened and free from damage, as a faulty gas cap is a common trigger for the check engine light. Next, utilize an OBD-II scanner to connect to your vehicle's onboard diagnostic system. This tool will allow you to retrieve error codes that indicate specific issues. Once you have the codes, research them using your vehicle's manual or reputable online resources to gain insight into the underlying problems. Additionally, inspect essential fluid levels, such as engine oil and coolant, as low levels can also activate the check engine light. If these initial steps do not reveal the issue, or if the problem appears to be more complex, it may be wise to consult a professional mechanic for further assistance. By following this structured approach, you can efficiently narrow down the cause of the check engine light and take appropriate action.

What are the common problems that could cause the check engine light to illuminate in a 2022 Chevrolet Silverado 2500 HD?

When the check engine light comes on in your 2022 Chevrolet Silverado 2500 HD, it can be a source of concern, but understanding the common problems that may cause this warning can empower you to take action. One of the simplest issues to check is the gas cap; a loose or damaged cap can easily trigger the light, so ensure it is securely fastened. Another frequent culprit is the oxygen sensor, which, if faulty, can lead to poor fuel efficiency and should be inspected. Additionally, problems with the catalytic converter can cause the light to illuminate, often indicating a failure or inefficiency that may require professional attention. The mass airflow sensor is another critical component; if it malfunctions, it can significantly impact engine performance. Worn-out spark plugs or a defective ignition coil can also lead to engine misfires, triggering the check engine light. Lastly, issues with the exhaust gas recirculation (EGR) system or a faulty thermostat can affect engine operation and temperature regulation, respectively. While some of these issues can be addressed through DIY methods, it is always wise to consult a qualified mechanic for a thorough diagnosis to ensure your vehicle runs smoothly.

What are the potential risks of ignoring the check engine light in a 2022 Chevrolet Silverado 2500 HD?

Ignoring the check engine light in your 2022 Chevrolet Silverado 2500 HD can lead to serious repercussions that extend beyond mere inconvenience. The warning light serves as an early alert to potential engine issues, and neglecting it can result in significant engine damage, which may require expensive repairs or even a complete engine replacement. Additionally, unresolved issues can lead to decreased fuel efficiency, costing you more at the pump over time. Safety is another critical concern; failing to address the check engine light could mean overlooking vital problems that affect your vehicle's handling and braking systems, putting you and others at risk on the road. Moreover, ignoring this warning can increase your vehicle's emissions, contributing to environmental harm and possibly causing you to fail emissions tests. Lastly, if you neglect these issues, you may inadvertently void your vehicle's warranty, leaving you responsible for all repair costs. Therefore, it is essential to take the check engine light seriously and address any underlying problems promptly to ensure the safety, performance, and longevity of your Silverado.

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2022 Chevrolet Silverado 2500 HD Check Engine Light Guide