how to fix P0700 code in Ram 1500 DT (2019-Present)

Solution

1. Preparation

• Gather necessary tools and parts.
• Park the vehicle on a flat surface and set the parking brake.
• Disconnect the battery to ensure safety while working on electrical components.

2. Check and Replace Transmission Fluid

• Sub-steps:
  1. Remove the transmission fluid dipstick and check fluid level.
  2. If fluid is low, add the recommended type of transmission fluid (typically ATF+4 for Ram).
  3. If fluid is contaminated, drain the transmission fluid by removing the drain plug.
  4. Replace the filter and refill the transmission with fresh fluid to the correct level.
• Tools Required: Transmission fluid pump, socket set, fluid catch pan.
• Safety Warnings: Ensure the vehicle is cool before handling transmission components.

3. Inspect and Repair Electrical Connections

• Sub-steps:
  1. Locate the TCM and inspect its wiring harness and connectors for damage or corrosion.
  2. Clean any corrosion with electrical contact cleaner and reconnect securely.
  3. If any wires are damaged, repair or replace them as necessary.
• Tools Required: Multimeter, electrical contact cleaner.

4. Test and Replace Transmission Range Sensor (if necessary)

• Sub-steps:
  1. Locate the transmission range sensor and disconnect the wiring harness.
  2. Use a multimeter to test the sensor's resistance according to the specifications.
  3. If out of spec, remove and replace the sensor with a new one.
  4. Reconnect the wiring harness and ensure it is secure.
• Tools Required: Multimeter, socket set.

5. Reconnect Battery and Clear Codes

• Reconnect the vehicle’s battery.
• Use the OBD-II scanner to clear the P0700 code and any other related codes.
• Test drive the vehicle to ensure the issue is resolved.