how to clear the check engine light on my Ram 1500 DT (2019-Present)

Ram 1500 DT (2019-Present)

Error Codes

30 minutes to 1 hour

Time

medium

Difficulty

medium

Severity

3 min read

421 words

Problem Statement

Learn how to clear the check engine light on your Ram 1500 DT (2019-present) with this step-by-step guide. Diagnose and reset the CEL effectively.

Affected Component

Engine

Estimated Time

30 minutes to 1 hour

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in park and the ignition is off when connecting or disconnecting the OBD-II scanner.

Symptoms

•Check engine light illuminated
•Possible reduced engine performance
•Erratic engine idle
•Increased fuel consumption
•Emission control system warning

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify the specific issue triggering the CEL.
2
Review the error codes and descriptions to determine the severity and source of the problem.
3
Inspect the vehicle's engine components and systems related to the error codes for any visible issues.
4
Clear the error codes using the OBD-II scanner and verify if the check engine light remains off after the reset.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•OBD-II scanner
•Torque wrench

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify the specific issue triggering the CEL.
2
Review the error codes and descriptions to determine the severity and source of the problem.
3
Inspect the vehicle's engine components and systems related to the error codes for any visible issues.
4
Clear the error codes using the OBD-II scanner and verify if the check engine light remains off after the reset.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface and the engine is off.

2. Connect OBD-II Scanner

Locate the OBD-II port under the dashboard near the driver's seat.
Plug in the OBD-II scanner and turn the vehicle's ignition to the "ON" position without starting the engine.

3. Retrieve and Clear Codes

Follow the scanner's instructions to navigate to the error code section.
Record any error codes for future reference.
Select the option to clear or erase the codes from the vehicle's computer.

4. Verify the Check Engine Light Status

Turn the ignition off and then back on to check if the check engine light has turned off.
If the light remains off, perform a test drive to ensure the light does not reappear.