why does my Ram 1500 DT (2019-Present) have a rough transmission shifting at low speeds?

Ram 1500 DT (2019-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

541 words

Problem Statement

Learn how to diagnose and fix rough transmission shifting 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 to prevent shorts.
•Allow the engine to cool before opening the transmission pan to prevent burns.

Symptoms

•Rough shifting during acceleration from a stop
•Hesitation or jerking sensation when transitioning through gears
•Unusual noises (clunking or grinding) during shifting
•Check engine light illuminated
•Increased engine RPMs without corresponding vehicle acceleration
•Poor fuel economy

Diagnostic Steps

1
Scan the vehicle's onboard diagnostics (OBD-II) for any stored error codes.
2
Check transmission fluid level and condition (color and smell).
3
Inspect transmission fluid for contamination or debris.
4
Examine for any visible leaks around the transmission housing.
5
Test drive the vehicle to replicate the rough shifting and note conditions.
6
Inspect transmission mount 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
•Torque wrench
•Funnel
•Fluid pump

Parts Required

•Transmission fluid (as per specifications)
•Transmission filter
•Transmission pan gasket

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Diagnostic Steps

1
Scan the vehicle's onboard diagnostics (OBD-II) for any stored error codes.
2
Check transmission fluid level and condition (color and smell).
3
Inspect transmission fluid for contamination or debris.
4
Examine for any visible leaks around the transmission housing.
5
Test drive the vehicle to replicate the rough shifting and note conditions.
6
Inspect transmission mount for wear or damage.

Solution

1. Preparation

Gather all 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 during repairs.

2. Check and Replace Transmission Fluid

Sub-steps:
- Locate the transmission dipstick and remove it.
- Wipe the dipstick clean, reinsert it, and pull it out again to check the fluid level.
- If low, add the recommended transmission fluid (consult the owner's manual for specifications).
- If fluid is burnt or contaminated, prepare to replace the fluid and filter.
Tools Required: Funnel, socket set, fluid pump.

3. Replace Transmission Filter

Sub-steps:
- Remove the transmission pan bolts using a socket wrench.
- Carefully lower the transmission pan and allow fluid to drain into a suitable container.
- Remove the old transmission filter and replace it with a new one.
- Clean the transmission pan and install a new gasket.
- Reattach the transmission pan with the specified torque (consult the manual for torque values).
Tools Required: Socket set, torque wrench, gasket scraper.

4. Refill Transmission Fluid

Sub-steps:
- Using a funnel, refill the transmission with the appropriate type and amount of fluid through the dipstick tube.
- Start the engine and allow it to reach operating temperature.
- With the engine running, cycle through the gears and check the fluid level again, adding more if necessary.
Tools Required: Funnel, transmission fluid.