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

Ram 1500 DT (2019-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

558 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 the transmission fluid pan.

Symptoms

•Jerking or hard shifting during gear changes
•Delayed engagement when shifting from park to drive or reverse
•Unusual noises (clunking or grinding) during shifting
•Poor acceleration or loss of power during gear changes
•Check engine light illuminated (potential transmission-related codes)

Diagnostic Steps

1
Scan the vehicle's computer using an OBD-II scanner to check for any stored transmission-related error codes.
2
Inspect the transmission fluid level and condition; look for signs of contamination or burnt fluid.
3
Check for any visible leaks around the transmission pan and seals.
4
Inspect the transmission control module (TCM) connections for corrosion or loose wiring.
5
Test the temperature of the transmission fluid while operating to ensure it is within the normal range.
6
Perform a road test while monitoring transmission performance under varying loads and speeds.

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
•Socket set
•Torque wrench
•Catch pan for fluid
•Transmission filter (if applicable)
•Electrical cleaner

Parts Required

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

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Diagnostic Steps

1
Scan the vehicle's computer using an OBD-II scanner to check for any stored transmission-related error codes.
2
Inspect the transmission fluid level and condition; look for signs of contamination or burnt fluid.
3
Check for any visible leaks around the transmission pan and seals.
4
Inspect the transmission control module (TCM) connections for corrosion or loose wiring.
5
Test the temperature of the transmission fluid while operating to ensure it is within the normal range.
6
Perform a road test while monitoring transmission performance under varying loads and speeds.

Solution

1. Preparation

Gather tools and materials needed.
Ensure the vehicle is parked on a level surface and the engine is off.
Safety: Disconnect the battery before starting the repair.

2. Check and Change Transmission Fluid

Sub-steps:
1. Remove the transmission dipstick and check the fluid level.
2. If low, add the manufacturer-recommended transmission fluid (ATF+4 for Ram 1500).
3. To change the fluid, remove the transmission drain plug or pan.
4. Allow the old fluid to completely drain into a catch pan.
5. Replace the transmission filter if applicable.
6. Reinstall the drain plug or transmission pan, ensuring a proper seal.
7. Fill the transmission with new fluid using the dipstick tube until it reaches the proper level.

3. Inspect Transmission Control Module (TCM)

Sub-steps:
1. Locate the TCM (typically mounted on or near the transmission).
2. Remove the electrical connector carefully.
3. Inspect for corrosion or damage on the pins and connector.
4. Clean the connector with electrical cleaner if necessary.
5. Reconnect the TCM and secure any loose wiring.

4. Perform a Transmission Reset

Sub-steps:
1. Reconnect the battery.
2. Start the engine and allow it to idle for a few minutes.
3. Shift through all gear positions (Park, Reverse, Neutral, Drive) several times.
4. This process can help recalibrate the transmission shifts.