how to fix my Ram 1500 DT (2019-Present) when it jerks while shifting

Ram 1500 DT (2019-Present)

Error Codes

3-5 hours

Time

medium

Difficulty

high

Severity

3 min read

561 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 jerking during shifts in 2019 Ram 1500 DT. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Transmission

Estimated Time

3-5 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Allow the engine to cool before starting any work on the transmission.

Symptoms

•Jerking or harsh shifting when changing gears
•Delay in acceleration after shifting
•Slipping sensation during gear transitions
•Check engine light illuminated
•Unusual noises (clunking or grinding) during shifts
•Fluid leaks under the vehicle

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related faults.
2
Inspect transmission fluid level and condition; check for contamination or burnt smell.
3
Visually inspect the transmission mounts for wear or damage.
4
Check the throttle position sensor (TPS) for proper operation and calibration.
5
Inspect the wiring and connectors for the transmission control module (TCM) for any signs of damage or corrosion.
6
Test drive the vehicle to replicate the issue and note the conditions under which it occurs.

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
•Multimeter
•Transmission fluid pump
•Jack and jack stands

Parts Required

•Transmission fluid (as specified in the owner's manual)
•Transmission filter
•Transmission mount(s)
•Throttle position sensor (if replacement is necessary)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related faults.
2
Inspect transmission fluid level and condition; check for contamination or burnt smell.
3
Visually inspect the transmission mounts for wear or damage.
4
Check the throttle position sensor (TPS) for proper operation and calibration.
5
Inspect the wiring and connectors for the transmission control module (TCM) for any signs of damage or corrosion.
6
Test drive the vehicle to replicate the issue and note the conditions under which it occurs.

Solution

1. Preparation

Gather tools and parts required for the repair.
Ensure the vehicle is parked on a level surface and the engine is cool.
Disconnect the battery to prevent any electrical issues.

2. Check and Replace Transmission Fluid

Tools Required: Transmission fluid pump, socket set.
Remove the transmission pan bolts and carefully lower the pan.
Drain old transmission fluid into a suitable container.
Inspect the transmission filter; replace if clogged or damaged.
Clean the pan and magnet to remove debris.
Reinstall the pan with a new gasket and torque bolts to manufacturer specifications (usually around 10-12 ft-lbs).
Refill with the appropriate type of transmission fluid (consult the owner’s manual for specifications).

3. Check and Replace Transmission Mounts

Tools Required: Socket set, jack stands.
Lift the vehicle using a jack and secure it with jack stands.
Locate the transmission mounts and inspect for cracks or significant wear.
Remove the bolts securing the mounts to the transmission and frame.
Replace with new mounts and torque to the specified values.

4. Inspect and Adjust Throttle Position Sensor (TPS)

Tools Required: Multimeter, screwdriver.
Locate the TPS on the throttle body.
Disconnect the connector and use a multimeter to test the voltage output while slowly moving the throttle.
If readings are out of spec, replace the TPS and adjust it according to the manufacturer’s specifications.