my Ram 1500 DT (2019-Present) has a hard shifting issue how do I fix it

Ram 1500 DT (2019-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

496 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 hard shifting issues 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 components.
•Allow engine to cool before opening any fluid reservoirs.

Symptoms

•Check engine light illuminated
•Harsh or jerky shifts during acceleration
•Delayed engagement when shifting from park to drive or reverse
•Unusual noises during gear changes
•Increased engine RPMs without corresponding acceleration

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify potential transmission-related issues.
2
Check the transmission fluid level and condition for contamination or low levels.
3
Inspect the transmission control module (TCM) for proper connections and functionality.
4
Test the transmission fluid temperature sensor for correct operation.
5
Review transmission fluid for any signs of metal shavings or burnt odor indicative of internal failure.

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
•Transmission fluid pump
•Funnel
•Multimeter
•Basic hand tools

Parts Required

•Manufacturer-recommended transmission fluid
•Transmission filter (if applicable)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify potential transmission-related issues.
2
Check the transmission fluid level and condition for contamination or low levels.
3
Inspect the transmission control module (TCM) for proper connections and functionality.
4
Test the transmission fluid temperature sensor for correct operation.
5
Review transmission fluid for any signs of metal shavings or burnt odor indicative of internal failure.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a flat surface and engage the parking brake.
Disconnect the battery to prevent electrical shorts.

2. Check and Replace Transmission Fluid

Tools Required:
- Socket set
- Transmission fluid pump
- Funnel
Sub-steps:
1. Locate the transmission fluid dipstick and remove it.
2. Use a transmission fluid pump to extract old fluid from the transmission pan.
3. Inspect the old fluid for discoloration or debris.
4. Replace with manufacturer-recommended transmission fluid (consult owner's manual for specifications).
5. Reinsert the dipstick and check fluid level after replacement.

3. Inspect and Reset Transmission Control Module (TCM)

Tools Required:
- OBD-II scanner
- Basic hand tools
Sub-steps:
1. Reconnect the battery and start the vehicle.
2. Use the OBD-II scanner to check for stored TCM error codes.
3. If codes are present, clear them and perform a transmission relearn procedure as outlined in the service manual.
4. Test drive the vehicle to ensure shifting behavior has improved.

4. Inspect Wiring and Connectors

Tools Required:
- Multimeter
- Wire brush
- Electrical connector cleaner
Sub-steps:
1. Visually inspect all wiring and connectors to the TCM and transmission for damage or corrosion.
2. Clean any corroded connectors with electrical connector cleaner.
3. Use a multimeter to check for continuity in the wiring.
4. Repair or replace damaged components as necessary.