FAULTBASE
Error CodesASKCars
© 2025 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
Home/Cars/Ram/1500/DT (2019-Present)/how to fix the P0700 code on my Ram 1500 DT (2019-Present)

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

Ram 1500 DT (2019-Present)

Error Codes
Severity: highDifficulty: mediumError Code: P07002-4 hours
3 min read
558 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix P0700 transmission control fault in Ram 1500 DT. Step-by-step guide with diagnostic procedures and repair instructions.

Error Code
P0700
Component
Transmission
Repair Time
2-4 hours

Safety Warnings

  • ⚠Disconnect the battery before working on electrical systems.
  • ⚠Allow the engine to cool before inspecting the transmission components.

Symptoms

  • •Check engine light illuminated
  • •Irregular shifting patterns or harsh shifts
  • •Delayed engagement when shifting into gear
  • •Transmission slipping or loss of power
  • •Reduced fuel efficiency
  • •Possible overheating of the transmission

Diagnostic Steps

  1. 1Scan for error codes using an OBD-II scanner to check for any additional transmission-related codes.
  2. 2Inspect the transmission fluid level and condition (check for burnt smell or dark color).
  3. 3Examine the wiring and connectors to the transmission control module for any signs of damage or corrosion.
  4. 4Check the fuse associated with the transmission control system.
  5. 5Conduct a visual inspection of the transmission for leaks or physical damage.
  6. 6Monitor the transmission fluid temperature sensor readings if available.

Solution

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.

Verification

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

Prevention Tips

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

Tools & Equipment Required

  • OBD-II scanner
  • Socket set
  • Multimeter
  • Funnel
  • Drain pan

Parts Required

  • Transmission fluid (specific to Ram 1500)
  • Transmission filter (if applicable)
  • Transmission control module (if necessary)

Additional Information

Error CodeP0700
Component

Transmission

Repair Time

2-4 hours

Difficulty

medium

Severity

high

Tools

5 items

Parts

3 items

Related Faults

  1. why does my Ram 1500 DT (2019-Present) lose coolant without any visible leaks?

    Discover how to diagnose and fix coolant loss issues in the 2019-Present Ram 1500 DT. Step-by-step guide with symptoms, diagnostics, and repair instructions.

    Cooling System5 symptoms

  2. why is my Ram 1500 DT (2019-Present) battery draining overnight

    Learn how to diagnose and fix battery drain issues in Ram 1500 DT (2019-Present). Step-by-step guide with diagnostic procedures and repair instructions.

    Electrical5 symptoms

  3. my Ram 1500 won't shift into reverse what could be wrong

    Learn how to diagnose and fix the issue of Ram 1500 not shifting into reverse. Step-by-step guide with diagnostic procedures and repair instructions.

    Transmission5 symptoms

  4. why does my Ram 1500 DT (2019-Present) have poor acceleration

    Learn how to diagnose and fix poor acceleration issues in Ram 1500 DT (2019-Present). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

    Engine6 symptoms

  5. my Ram 1500 is hard to start when cold what's the issue

    Learn how to diagnose and fix cold start issues in Ram 1500. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

    Engine5 symptoms

  6. why does my Ram 1500 DT (2019-Present) have a persistent oil leak

    Learn how to diagnose and fix a persistent oil leak in your 2019-Present Ram 1500 DT. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

    Engine6 symptoms

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation