how to fix the P0700 code on my Ram 1500 DT (2019-Present)

Solution

1. Preparation

• Tools Required: OBD-II scanner, socket set, multimeter, transmission fluid, funnel, torque wrench
• Safety Warnings: Disconnect the battery before working on electrical systems; allow engine to cool before opening the transmission.

2. Address Fluid Issues

1. Check Fluid Level:

   • Start the engine and let it warm up.
   • While the engine is running, remove the transmission dipstick and check the fluid level.
   • If low, add the manufacturer-recommended transmission fluid until the correct level is reached.

2. Change Contaminated Fluid:

   • Raise the vehicle securely on jack stands.
   • Remove the transmission pan bolts and drain the old transmission fluid into a suitable container.
   • Replace the transmission filter if equipped.
   • Clean the pan and replace the gasket before reinstallation.

3. Repair Electrical Connections

1. Inspect Wiring:

   • Visually inspect the wiring harness connected to the TCM for frays or damage.
   • Use a multimeter to check for continuity in the wiring.
   • Repair or replace damaged wiring as necessary.

2. Reconnect TCM:

   • Ensure all connectors are clean and securely attached to the TCM.

4. TCM Replacement (if necessary)

1. Remove TCM:

   • Disconnect the battery.
   • Remove the mounting bolts and electrical connectors from the TCM.
   • Carefully remove the TCM from its location.

2. Install New TCM:

   • Position the new TCM in place and secure it with the mounting bolts.
   • Reconnect all electrical connectors.
   • Reconnect the battery.

5. Clear Codes and Test

1. Use OBD-II Scanner:
   • Clear the P0700 code and any related codes from the TCM.
   • Start the engine and perform a test drive to ensure proper operation.