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

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Ensure the vehicle is parked on a level surface and the engine is turned off.
• Disconnect the battery to prevent any electrical shorts.

2. Check and Replace Transmission Fluid

1. Fluid Level Check

   • Remove the transmission dipstick and wipe it clean.
   • Reinsert and remove the dipstick again to check the fluid level. Add fluid if low.
   • Tools Required: Funnel, transmission fluid (as specified in the owner's manual).

2. Fluid Change (if necessary)

   • Drain the old transmission fluid using a drain pan.
   • Replace the transmission filter if applicable.
   • Refill with the correct type and amount of transmission fluid.
   • Torque Values: Follow manufacturer's specifications for the pan bolts.

3. Inspect and Repair Wiring

1. Visual Inspection

   • Inspect all wiring harnesses connected to the TCM and transmission for frays or breaks.
   • Clean any corrosion from connectors using electrical contact cleaner.

2. Reconnect and Secure

   • Reconnect any loose connectors and ensure all wiring is secured away from moving parts.
   • Tools Required: Multimeter for testing continuity.

4. Replace TCM (if necessary)

1. Remove Old TCM

   • Locate the TCM, usually found near the transmission or under the dashboard.
   • Disconnect the wiring harness and remove screws holding the TCM in place.
   • Tools Required: Socket set.

2. Install New TCM

   • Position the new TCM and secure it with screws.
   • Reconnect the wiring harness.
   • Safety Warning: Ensure the battery is disconnected during this process.