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

Ram 1500 DT (2019-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

638 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 issues 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 working on the transmission.

Symptoms

•Transmission warning light illuminated on the dashboard
•Difficulty or inability to engage any gear
•Grinding or clunking noises when attempting to shift
•Fluid leaks under the vehicle
•Unresponsive throttle when gear is selected
•Delayed or harsh shifting behavior

Diagnostic Steps

1
Scan the vehicle's onboard computer using an OBD-II scanner to check for any error codes related to the transmission.
2
Inspect the transmission fluid level and condition; look for signs of contamination or burning.
3
Check the transmission linkage and cables for any signs of damage or disconnection.
4
Inspect the battery and electrical connections to ensure proper voltage is reaching the transmission control module.
5
Examine the transmission solenoids and wiring for faults or short circuits.
6
Test the brake switch operation to ensure it is functioning properly, as it can affect gear selection.

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
•Fluid catch pan
•Torque wrench

Parts Required

•Transmission fluid (ATF+4)
•Transmission solenoids (if needed)
•Brake switch (if needed)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan the vehicle's onboard computer using an OBD-II scanner to check for any error codes related to the transmission.
2
Inspect the transmission fluid level and condition; look for signs of contamination or burning.
3
Check the transmission linkage and cables for any signs of damage or disconnection.
4
Inspect the battery and electrical connections to ensure proper voltage is reaching the transmission control module.
5
Examine the transmission solenoids and wiring for faults or short circuits.
6
Test the brake switch operation to ensure it is functioning properly, as it can affect gear selection.

Solution

1. Preparation

Gather tools and parts before starting the repair.
Disconnect the negative battery terminal to ensure safety while working on electrical components.
Tools required: OBD-II scanner, socket set, multimeter, fluid catch pan, torque wrench.

2. Check and Replace Transmission Fluid

Step 1: Remove the transmission fluid dipstick and check the fluid level.
Step 2: If the fluid is low, add the appropriate type of transmission fluid recommended by the manufacturer (e.g., ATF+4 for Ram).
Step 3: If the fluid is dark or has an unusual smell, drain the transmission fluid using a fluid catch pan and replace it with new fluid.
Step 4: Reinsert the dipstick and ensure it is secured in place.

3. Inspect and Adjust Transmission Linkage

Step 1: Locate the transmission linkage from the gear shift to the transmission.
Step 2: Inspect for any signs of wear, damage, or misalignment.
Step 3: If misaligned, adjust the linkage according to the service manual specifications.
Step 4: If damaged, replace the linkage components.

4. Test and Replace Transmission Solenoids

Step 1: Use a multimeter to test the resistance of the transmission solenoids.
Step 2: If the solenoids are faulty, remove the transmission pan to access the solenoids.
Step 3: Disconnect the solenoid wiring harness and remove the solenoid bolts.
Step 4: Install the new solenoids and reassemble the transmission pan, ensuring proper torque specifications are followed.

5. Verify Brake Switch Operation

Step 1: Locate the brake switch near the brake pedal assembly.
Step 2: Test the brake switch using a multimeter to ensure it is operating correctly.
Step 3: If the switch is malfunctioning, replace it with a new one.