how to reset my Ram 1500 DT (2019-Present) tire pressure light

Ram 1500 DT (2019-Present)

Error Codes

30 minutes

Time

medium

Difficulty

medium

Severity

3 min read

469 words

Problem Statement

Learn how to reset the tire pressure light on your 2019-Present Ram 1500 DT. Step-by-step guide with diagnostic steps and safety tips included.

Affected Component

Electrical

Estimated Time

30 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure vehicle is parked on a level surface when checking tire pressures.
•Always wear safety gloves and eye protection when working with tires.

Symptoms

•Tire pressure warning light is illuminated on the dashboard
•Possible fluctuating tire pressure readings on the display
•Reduced fuel efficiency (if tires are under-inflated)
•Uneven tire wear (if not addressed)
•Incorrect tire pressure notifications even after inflation

Diagnostic Steps

1
Check tire pressures: Use a tire pressure gauge to measure the pressure in all tires, including the spare if equipped.
2
Inflate tires: Adjust tire pressures to the manufacturer's recommended levels found on the driver's door jamb or owner's manual.
3
Inspect for leaks: Visually inspect each tire for any obvious punctures or damage that may be causing a loss of pressure.
4
Check TPMS status: Use an OBD-II scanner to check for any stored TPMS error codes that may indicate a malfunctioning sensor.
5
Drive the vehicle: Sometimes, the TPMS may reset itself after driving the vehicle for a short distance at speeds over 50 mph.

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

•Tire pressure gauge
•OBD-II scanner
•Air compressor

Parts Required

•None, unless a TPMS sensor replacement is necessary.

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Diagnostic Steps

1
Check tire pressures: Use a tire pressure gauge to measure the pressure in all tires, including the spare if equipped.
2
Inflate tires: Adjust tire pressures to the manufacturer's recommended levels found on the driver's door jamb or owner's manual.
3
Inspect for leaks: Visually inspect each tire for any obvious punctures or damage that may be causing a loss of pressure.
4
Check TPMS status: Use an OBD-II scanner to check for any stored TPMS error codes that may indicate a malfunctioning sensor.
5
Drive the vehicle: Sometimes, the TPMS may reset itself after driving the vehicle for a short distance at speeds over 50 mph.

Solution

1. Preparation

Gather necessary tools: OBD-II scanner (if needed), tire pressure gauge, and air compressor.
Ensure all tires are inflated to the correct pressure.

2. Resetting the TPMS

Turn on the ignition: Do not start the engine; simply turn the key to the "On" position.
Locate the TPMS reset button: This is typically found beneath the steering wheel or in the glove compartment.
Press and hold the reset button: Hold the button until the tire pressure light blinks three times, then release it.
Turn off the ignition: After releasing the button, turn the ignition off completely.
Start the engine: Turn the vehicle back on and verify that the tire pressure light has turned off.

3. Final Check

If the light remains illuminated after following the reset steps, recheck tire pressures and repeat the reset procedure.
If problems persist, consult a professional for further diagnosis.