why does my Ram 1500 DT (2019-Present) transmission jerk when shifting?

Ram 1500 DT (2019-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

508 words

Problem Statement

Learn how to diagnose and fix transmission jerking in Ram 1500 DT (2019-Present). Step-by-step guide with diagnostic procedures 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 vehicle to cool down before checking or changing transmission fluid.

Symptoms

•Jerking or harsh shifting during acceleration
•Delay in shifting into gear
•Unusual noises (clunking or grinding) when shifting
•Check engine light illuminated
•Fluctuations in RPM during shifting
•Possible transmission fluid leaks

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify transmission-related faults.
2
Check the transmission fluid level and condition (color, smell).
3
Inspect the transmission control module (TCM) for proper functionality.
4
Examine the transmission fluid lines for any leaks or blockages.
5
Test drive the vehicle to replicate jerking and observe conditions that trigger it.
6
Inspect engine mounts and transmission mounts for wear or damage.

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
•Screwdriver
•Transmission fluid dipstick
•Funnel
•Multimeter
•Jack
•Jack stands

Parts Required

•Transmission filter
•Transmission fluid
•Gasket for transmission pan
•Transmission control module (if needed)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify transmission-related faults.
2
Check the transmission fluid level and condition (color, smell).
3
Inspect the transmission control module (TCM) for proper functionality.
4
Examine the transmission fluid lines for any leaks or blockages.
5
Test drive the vehicle to replicate jerking and observe conditions that trigger it.
6
Inspect engine mounts and transmission mounts for wear or damage.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the parking brake is engaged.
Disconnect the battery to prevent electrical shorts.

2. Check Transmission Fluid

Tools Required: Transmission fluid dipstick, funnel.
Remove the transmission dipstick and check the fluid level.
If the fluid is low, add the correct type of transmission fluid as specified by the manufacturer.
If fluid is dark or smells burnt, a transmission fluid change is necessary.

3. Replace Transmission Filter (if applicable)

Tools Required: Socket set, screwdriver, gasket scraper.
Remove the transmission pan using a socket set, ensuring to catch any fluid in a drain pan.
Replace the old filter with a new one.
Clean the pan and replace the gasket before reinstalling.

4. Inspect and Repair Transmission Control Module (TCM)

Tools Required: OBD-II scanner, multimeter.
Check for error codes related to the TCM and clear them.
If TCM is faulty, replace it by disconnecting electrical connectors and removing mounting screws.
Install the new TCM and reconnect electrical connectors.

5. Check Engine and Transmission Mounts

Tools Required: Jack, jack stands, socket set.
Lift the vehicle and inspect mounts for cracks or excessive wear.
Replace any damaged mounts with new ones, ensuring proper alignment.