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Home/Cars/Ram/1500/DT (2019-Present)/how to fix P0700 transmission error code in Ram 1500 DT (2019-Present)

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

Ram 1500 DT (2019-Present)

Error Codes
Severity: highDifficulty: mediumError Code: P07002-4 hours
3 min read
543 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 error in Ram 1500 DT (2019-Present). 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 components.
  • ⚠Allow the engine and transmission to cool before servicing to avoid burns.

Symptoms

  • •Check engine light illuminated
  • •Rough shifting or delayed engagement
  • •Transmission overheating
  • •Poor acceleration performance
  • •Vehicle enters limp mode

Diagnostic Steps

  1. 1Scan for error codes using an OBD-II scanner and note any additional transmission-related codes.
  2. 2Inspect the transmission fluid level and condition, checking for contamination or burnt smell.
  3. 3Check the wiring and connectors to the transmission control module (TCM) for signs of damage or corrosion.
  4. 4Test the TCM for proper operation using a multimeter to check for voltage and ground signals.
  5. 5Inspect the transmission solenoids for proper function and resistance values.
  6. 6Clear the codes and take the vehicle for a test drive to see if the P0700 code returns.

Solution

Solution

1. Preparation

  • Tools Needed: OBD-II scanner, multimeter, socket set, torque wrench, fluid catch pan.
  • Disconnect the battery to prevent electrical shorts.
  • Allow the vehicle to cool down before working on the transmission.

2. Check and Replace Transmission Fluid

  • Sub-steps:
    1. Remove the transmission fluid pan using a socket set.
    2. Drain the old fluid into a catch pan and inspect it for metal shavings or debris.
    3. Replace the transmission filter if applicable.
    4. Reinstall the pan and torque bolts to manufacturer specifications.
    5. Fill the transmission with the appropriate type and amount of new fluid as specified in the service manual.

3. Inspect and Repair Wiring

  • Sub-steps:
    1. Visually inspect the wiring harness connected to the TCM and transmission solenoids.
    2. Repair or replace any damaged wires or connectors.
    3. Ensure all connections are secure and free from corrosion.

4. Test and Replace Transmission Control Module (if necessary)

  • Sub-steps:
    1. Using the multimeter, check power and ground connections to the TCM.
    2. If readings are outside of specifications, replace the TCM.
    3. Reinstall the new TCM and ensure all connections are secure.

5. Test Drive and Monitor

  • Sub-steps:
    1. Reconnect the battery.
    2. Clear any diagnostic trouble codes using the OBD-II scanner.
    3. Take the vehicle for a test drive to ensure proper operation and check for the return of the P0700 code.

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
  • Multimeter
  • Socket set
  • Torque wrench
  • Fluid catch pan

Parts Required

  • Transmission fluid
  • Transmission filter (if applicable)
  • Transmission control module (if diagnosed as faulty)

Additional Information

Error CodeP0700
Component

Transmission

Repair Time

2-4 hours

Difficulty

medium

Severity

high

Tools

5 items

Parts

3 items

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