my Ram 1500 DT (2019-Present) won't shift into gear what could be wrong

Solution

1. Preparation

• Gather necessary tools and parts.
• Make sure the vehicle is parked on a level surface and the parking brake is engaged.
• Disconnect the negative battery terminal to ensure safety.

2. Check and Replace Transmission Fluid

• Sub-steps:
  1. Remove the transmission dipstick and wipe it clean.
  2. Insert the dipstick back into the tube and remove it to check the fluid level; add fluid if low.
  3. If fluid is burnt or contaminated, drain the transmission fluid using a fluid pump.
  4. Replace with the manufacturer-recommended transmission fluid (check owner’s manual for specifications).

3. Inspect Transmission Linkage

• Sub-steps:
  1. Locate the transmission linkage under the vehicle.
  2. Check for any signs of wear, damage, or disconnection.
  3. If damaged, replace the linkage with a new part following the manufacturer's specifications.

4. Test and Replace Brake Switch

• Sub-steps:
  1. Locate the brake switch near the brake pedal.
  2. Disconnect the electrical connector from the brake switch.
  3. Use a multimeter to test the switch for continuity; replace if faulty.
  4. Reconnect the new switch and ensure it operates correctly.

5. Reconnect Battery and Test

• Sub-steps:
  1. Reconnect the negative battery terminal.
  2. Start the engine and attempt to shift the vehicle into gear.
  3. Monitor for any abnormal sounds or warning messages.