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If you notice the check gauges light illuminated in your 2004 Dodge Ram, it likely means there's an issue with one of the gauges on your dashboard. Voltage, temperature, and oil gauges are the most common to malfunction, usually due to issues with the gauge lines. The light turns on when the ECU detects inaccurate signals from the gauges, often indicating a failing sensor in the vehicle. Monitor the gauges for abnormalities to identify the problem, and then replace the affected gauge or sensor accordingly.
I don't have an answer yet. Do the gauges' lights come on when the engine is running below 5 RPMs?
If the battery is running low or if the oil pressure is dropping in your 2004 Dodge Ram, the "check gauges" light might come on.