how to fix Ram 1500 DT (2019-Present) transmission jerking when shifting

Ram 1500 DT (2019-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

531 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix transmission jerking in Ram 1500 DT (2019-Present). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Transmission

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool before opening any components related to the transmission.

Symptoms

•Jerking sensation during gear changes
•Delayed or harsh shifting
•Check engine light illuminated
•Unusual noises during shifting (clunking or grinding)
•Poor acceleration response

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for any transmission-related trouble codes.
2
Inspect the transmission fluid level and condition; look for signs of contamination or burning.
3
Check the transmission control module (TCM) for updates or faults.
4
Test the transmission fluid temperature using a scan tool to ensure it is within the normal operating range.
5
Inspect wiring and connectors related to the transmission for damage or corrosion.

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
•Transmission fluid dipstick
•Funnel
•Socket set
•Wire brush
•Electrical contact cleaner
•Multimeter
•Drain pan

Parts Required

•Mopar ATF+4 transmission fluid
•Transmission filter (if applicable)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for any transmission-related trouble codes.
2
Inspect the transmission fluid level and condition; look for signs of contamination or burning.
3
Check the transmission control module (TCM) for updates or faults.
4
Test the transmission fluid temperature using a scan tool to ensure it is within the normal operating range.
5
Inspect wiring and connectors related to the transmission for damage or corrosion.

Solution

1. Preparation

Gather the necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is cool.
Disconnect the battery to ensure safety during electrical work.

2. Check Transmission Fluid

Tools Required: Transmission fluid dipstick, funnel.
Remove the transmission fluid dipstick and check the fluid level.
If low, add the specified transmission fluid (Mopar ATF+4) until it reaches the full mark.
If the fluid is dark or has a burnt smell, a fluid change is recommended.

3. Update Transmission Control Module (if applicable)

Tools Required: OBD-II scanner.
Connect the OBD-II scanner to the vehicle's diagnostic port.
Check for available updates for the transmission control module and follow the manufacturer's instructions to upload any necessary updates.

4. Inspect and Clean Electrical Connections

Tools Required: Wire brush, electrical contact cleaner, multimeter.
Visually inspect the wiring and connectors related to the transmission for signs of wear or corrosion.
Clean any corroded connections using electrical contact cleaner and a wire brush.
Use a multimeter to test for continuity in the wiring harness.

5. Fluid Change (if needed)

Tools Required: Socket set, drain pan, new transmission fluid, transmission filter (if applicable).
Place a drain pan under the transmission, remove the drain plug, and drain the old fluid.
Replace the transmission filter if necessary, following the manufacturer's guidelines for installation.
Refill the transmission with new Mopar ATF+4 fluid, ensuring to use the correct amount.