how to troubleshoot my Ram 1500 DT (2019-Present) that won’t shift gears

Ram 1500 DT (2019-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

585 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 troubleshoot and fix shifting issues in your 2019-Present Ram 1500 DT. Step-by-step diagnostic and repair instructions included.

Affected Component

Transmission

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Allow the engine to cool before checking or changing fluid levels.

Symptoms

•Transmission warning light illuminated on the dashboard
•Slipping or unresponsive transmission while accelerating
•Engine RPMs increasing without a corresponding increase in vehicle speed
•Difficulty shifting into or out of gear
•Unusual noises such as grinding or clunking when attempting to shift
•Fluid leaks under the vehicle

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related trouble codes.
2
Check the transmission fluid level and condition; look for signs of contamination or burning.
3
Inspect the transmission control module (TCM) for proper connections and signs of damage.
4
Test the transmission range sensor (neutral safety switch) for proper operation.
5
Examine the shift linkage for any obstructions or misalignments.
6
Check for any blown fuses related to the transmission or TCM.

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
•Screwdriver set
•Wrench set
•Torque wrench

Parts Required

•Transmission fluid (specific to Ram 1500)
•Transmission range sensor (if needed)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Symptoms

•Transmission warning light illuminated on the dashboard

•Slipping or unresponsive transmission while accelerating

•Engine RPMs increasing without a corresponding increase in vehicle speed

•Difficulty shifting into or out of gear

•Unusual noises such as grinding or clunking when attempting to shift

•Fluid leaks under the vehicle

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related trouble codes.
2
Check the transmission fluid level and condition; look for signs of contamination or burning.
3
Inspect the transmission control module (TCM) for proper connections and signs of damage.
4
Test the transmission range sensor (neutral safety switch) for proper operation.
5
Examine the shift linkage for any obstructions or misalignments.
6
Check for any blown fuses related to the transmission or TCM.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Ensure the vehicle is on a flat surface and secure it with wheel chocks.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Check and Replace Transmission Fluid

Sub-steps:
- Remove the transmission dipstick and wipe it clean.
- Insert the dipstick back into the tube and remove it again to check the fluid level.
- If low, add the appropriate type of transmission fluid (consult the owner’s manual for the specific type).
- If the fluid is discolored or has a burnt smell, perform a fluid change.
Tools Required:
- Socket set
- Transmission fluid pump
- New transmission fluid (as specified in the owner's manual)

3. Inspect and Replace Transmission Range Sensor

Sub-steps:
- Locate the transmission range sensor; it is typically near the transmission.
- Disconnect the wiring harness from the sensor.
- Remove the sensor using the appropriate socket size.
- Install the new sensor and reconnect the wiring harness.
Tools Required:
- Socket set
- Screwdriver set

4. Check and Adjust Shift Linkage

Sub-steps:
- Locate the shift linkage near the transmission.
- Inspect for any visible damage or misalignment.
- If misaligned, loosen the adjustment bolt and reposition the linkage.
- Tighten the bolt to the manufacturer’s specified torque.
Tools Required:
- Wrench set
- Torque wrench

5. Reconnect Battery and Test Drive

Reconnect the negative battery terminal.
Start the vehicle and conduct a test drive to verify if shifting issues are resolved.