why does my Ram 1500 DT (2019-Present) have a delay in shifting

Ram 1500 DT (2019-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

454 words

Problem Statement

Learn how to diagnose and fix transmission delay 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

•Allow the engine to cool before working on the transmission.
•Make sure to properly dispose of old transmission fluid according to local regulations.

Symptoms

•Delay in shifting between gears
•Engine RPMs increasing without corresponding vehicle speed
•Harsh or rough shifting when gears engage
•Check engine light may be illuminated
•Decreased fuel efficiency
•Transmission fluid may appear dark or burnt

Diagnostic Steps

1
Scan the vehicle’s onboard computer using an OBD-II scanner for any error codes.
2
Inspect the transmission fluid level and condition, looking for signs of contamination or burning.
3
Check the transmission control module (TCM) connections for corrosion or loose wiring.
4
Perform a visual inspection of the throttle position sensor (TPS) for any signs of damage or malfunction.
5
Test the transmission solenoids using a multimeter to ensure proper function.
6
Evaluate the vehicle for external factors like a clogged air filter or engine performance issues that might affect shifting.

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
•Transmission fluid pump
•Socket set
•Torque wrench
•Multimeter
•Drain pan

Parts Required

•Transmission fluid (ATF+4)
•Transmission filter
•Gasket for transmission pan
•Transmission control module (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 for any error codes.
2
Inspect the transmission fluid level and condition, looking for signs of contamination or burning.
3
Check the transmission control module (TCM) connections for corrosion or loose wiring.
4
Perform a visual inspection of the throttle position sensor (TPS) for any signs of damage or malfunction.
5
Test the transmission solenoids using a multimeter to ensure proper function.
6
Evaluate the vehicle for external factors like a clogged air filter or engine performance issues that might affect shifting.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the negative battery terminal to ensure safety.

2. Check and Change Transmission Fluid

Sub-steps:
- Remove the transmission fluid dipstick and check the fluid level.
- If fluid is low, drain the old transmission fluid using a drain pan.
- Replace with manufacturer-recommended transmission fluid (e.g., ATF+4 for Ram trucks).
- Refill the transmission with the correct amount of fluid. Refer to the owner's manual for capacity.

3. Inspect and Replace Transmission Filter

Sub-steps:
- Remove the transmission pan by unscrewing the bolts (use a torque wrench to ensure proper reinstallation).
- Replace the transmission filter located inside the pan.
- Clean the pan and magnet inside of debris before reassembly.

4. Test and Replace Transmission Control Module (if necessary)

Sub-steps:
- If error codes indicate a TCM issue, disconnect the module and inspect for damage.
- Replace the TCM with a new unit if damage is found.
- Reconnect wiring harness and ensure secure connections.

5. Reconnect Battery and Test Drive

Sub-steps:
- Reconnect the negative battery terminal.
- Start the engine and take the vehicle for a test drive to verify that shifting operates smoothly.

Tools Required:

OBD-II scanner
Transmission fluid pump
Socket set
Torque wrench
Multimeter
Drain pan

Parts Required:

Transmission fluid (ATF+4)
Transmission filter
Gasket for transmission pan
Transmission control module (if needed)

Estimated Repair Time: 2-4 hours

Safety Warnings:

Allow the engine to cool before working on the transmission.
Make sure to properly dispose of old transmission fluid according to local regulations.