why does my Ram 1500 DT (2019-Present) transmission jerk when I accelerate

Ram 1500 DT (2019-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

577 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 checking or changing transmission fluid.

Symptoms

•Transmission jerks or hesitates during acceleration
•Harsh shifting between gears
•Unusual noises (clunking or grinding) when shifting
•Check engine light illuminated
•Decreased fuel efficiency
•Transmission slipping or failing to engage properly

Diagnostic Steps

1
Scan the vehicle's OBD-II system for any trouble codes related to the transmission.
2
Check transmission fluid level and condition (look for discoloration or burnt smell).
3
Inspect the transmission control module (TCM) for proper operation and connections.
4
Test the throttle position sensor (TPS) for accuracy.
5
Examine the transmission mount for signs of wear or damage.
6
Perform a road test to monitor transmission behavior at different speeds and loads.

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
•Fluid pump
•Transmission fluid
•Multimeter
•Inspection light

Parts Required

•Transmission fluid (specific to manufacturer specifications)
•Transmission filter (if applicable)
•Transmission mount (if needed)
•Throttle position sensor (if needed)

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Diagnostic Steps

1
Scan the vehicle's OBD-II system for any trouble codes related to the transmission.
2
Check transmission fluid level and condition (look for discoloration or burnt smell).
3
Inspect the transmission control module (TCM) for proper operation and connections.
4
Test the throttle position sensor (TPS) for accuracy.
5
Examine the transmission mount for signs of wear or damage.
6
Perform a road test to monitor transmission behavior at different speeds and loads.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Ensure the vehicle is parked on a flat surface and the engine is off.
Tools Required: OBD-II scanner, socket set, torque wrench, fluid pump, transmission fluid, multimeter, inspection light.

2. Check and Replace Transmission Fluid

Sub-steps:
1. Locate the transmission dipstick and remove it to check fluid level.
2. If low, use a fluid pump to add the appropriate type of transmission fluid (consult owner's manual for specifications).
3. Inspect the fluid condition; if it’s discolored or burnt, perform a fluid change.
4. Drain the old transmission fluid using a socket set to remove the drain plug.
5. Replace the transmission filter (if applicable) by removing the pan bolts, then clean and reinstall the pan with a new gasket.
6. Refill with new transmission fluid to the correct level.

3. Inspect and Replace Transmission Mount

Sub-steps:
1. Safely lift the vehicle and support it on jack stands.
2. Locate the transmission mount and inspect for cracks or deterioration.
3. If damaged, remove the bolts securing the mount to the transmission and frame.
4. Install the new mount, ensuring proper alignment.
5. Torque the bolts to the manufacturer's specifications.

4. Test and Replace Throttle Position Sensor (if necessary)

Sub-steps:
1. Disconnect the TPS electrical connector.
2. Use a multimeter to test the resistance and ensure it meets specifications.
3. If faulty, remove the sensor from the throttle body.
4. Install the new TPS, reconnect the electrical connector, and ensure it is secure.