how to resolve U0101 code in my Ram 1500 DT (2019-Present)?

• •Check engine light illuminated
• •Transmission shifting issues (harsh or erratic shifts)
• •Engine stalling or lack of power during acceleration
• •Inability to engage in certain gears (e.g., stuck in limp mode)
• •Poor fuel economy

1. 1Scan the vehicle's OBD-II system using a compatible scanner to confirm the U0101 code and check for any additional codes.
2. 2Inspect the TCM connectors and wiring harness for signs of damage, corrosion, or loose connections.
3. 3Check the vehicle's battery voltage and grounds to ensure proper electrical supply.
4. 4Inspect the CAN (Controller Area Network) wiring for continuity and signs of damage.
5. 5Verify the condition of the fuses related to the transmission and TCM in the fuse box.
6. 6Clear the fault codes and perform a test drive to see if the code reappears.

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

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

• •OBD-II scanner
• •Multimeter
• •Socket set
• •Torque wrench
• •Wire brush
• •Electrical contact cleaner

• •TCM connector (if damaged)
• •Fuses (if blown)