how to troubleshoot my Ram 1500 DT (2019-Present) won't shift into gear

Ram 1500 DT (2019-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

514 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 transmission issues in Ram 1500 DT. 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 systems.
•Allow the engine to cool before inspecting or working on the transmission.

Symptoms

•Check engine light illuminated
•Transmission warning light displayed
•Engine revs without acceleration
•Difficulty engaging reverse
•Unusual noises from the transmission area
•Fluid leakage under the vehicle

Diagnostic Steps

1
Check the transmission fluid level and condition.
2
Scan for error codes using an OBD-II scanner.
3
Inspect the brake switch operation to ensure it is functioning properly.
4
Examine the transmission linkage for proper adjustment and any obstructions.
5
Test the transmission fluid temperature sensor for proper operation.
6
Inspect the wiring and connectors related to the transmission control module.

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
•Torque wrench
•Transmission fluid dipstick

Parts Required

•Mopar ATF+4 transmission fluid
•Brake switch (if defective)
•Transmission fluid temperature sensor (if defective)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Check the transmission fluid level and condition.
2
Scan for error codes using an OBD-II scanner.
3
Inspect the brake switch operation to ensure it is functioning properly.
4
Examine the transmission linkage for proper adjustment and any obstructions.
5
Test the transmission fluid temperature sensor for proper operation.
6
Inspect the wiring and connectors related to the transmission control module.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is on a level surface and engage the parking brake.
Disconnect the battery to prevent electrical shorts.

2. Check Transmission Fluid

Remove the transmission dipstick and wipe it clean.
Insert the dipstick back and remove it to check the fluid level.
If low, add manufacturer-recommended transmission fluid (Mopar ATF+4).
Inspect fluid for discoloration or burnt smell, indicating possible contamination.

3. Inspect Brake Switch

Locate the brake switch near the brake pedal.
Ensure the switch is properly aligned and functioning.
Use a multimeter to check for continuity when the brake pedal is pressed.
Replace the brake switch if defective.

4. Examine Transmission Linkage

Inspect the linkage for any signs of wear or damage.
Ensure that the linkage is connected properly and moves freely.
Adjust linkage as needed according to service manual specifications.

5. Test Transmission Fluid Temperature Sensor

Locate the transmission fluid temperature sensor.
Use a multimeter to test for proper voltage output as per specifications.
Replace the sensor if it is outside the normal operating range.

6. Reconnect Battery and Test

Reconnect the battery terminals.
Start the vehicle and attempt to shift into gear.
Observe for any error codes or warning lights.