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Home/Cars/Toyota/RAV4/Fifth Generation (2019-present)/how to fix P0700 code on my Toyota RAV4 Fifth Generation (2019-present)

how to fix P0700 code on my Toyota RAV4 Fifth Generation (2019-present)

Toyota RAV4 Fifth Generation (2019-present)

Severity: highDifficulty: mediumError Code: P07002-4 hours
3 min read
561 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 system malfunction in Toyota RAV4. 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 working on the transmission or fluid systems.

Symptoms

  • •Check engine light illuminated
  • •Erratic shifting or harsh transmission behavior
  • •Transmission slipping or failing to engage
  • •Delayed engagement when shifting into gear
  • •Transmission overheating

Diagnostic Steps

  1. 1Scan for error codes using an OBD-II scanner to confirm P0700 and check for any additional related codes.
  2. 2Inspect the transmission fluid level and condition; look for discoloration or burnt smell.
  3. 3Check the wiring and connectors to the transmission control module for signs of damage or corrosion.
  4. 4Test the transmission control module for proper functionality using a multimeter.
  5. 5Inspect the transmission solenoids for proper operation and resistance values.
  6. 6Evaluate the vehicle's battery and charging system as low voltage can affect the TCM operation.

Solution

Solution

1. Preparation

  • Gather tools and parts needed for repair.
  • Disconnect the vehicle battery to prevent electrical shorts.
  • Ensure the vehicle is on a flat surface and secure it with wheel chocks.

2. Check Transmission Fluid

  • Remove the transmission dipstick and wipe it clean.
  • Reinsert the dipstick, then remove it again to check fluid level.
  • If low, add the appropriate type of transmission fluid (Toyota ATF WS).
  • If the fluid is dirty, consider a transmission fluid flush.

3. Inspect Wiring and Connectors

  • Visually inspect the wiring harness and connectors leading to the transmission control module.
  • Look for frayed wires, loose connections, or signs of corrosion.
  • Repair or replace any damaged wiring or connectors.

4. Test the Transmission Control Module (TCM)

  • Locate the TCM, typically found near the transmission or under the dashboard.
  • Use a multimeter to check voltage supply and ground connections as per manufacturer specifications.
  • If the TCM is faulty, replace it with a new unit.

5. Replace Transmission Solenoids (if necessary)

  • Remove the transmission pan to access the solenoids.
  • Disconnect the solenoid electrical connectors and remove the mounting bolts.
  • Replace the faulty solenoids with new ones, ensuring proper orientation.
  • Reinstall the transmission pan with a new gasket and torque bolts to manufacturer specifications.

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
  • Transmission fluid pump

Parts Required

  • Transmission fluid (Toyota ATF WS)
  • Transmission solenoids (if required)
  • Transmission fluid filter and gasket (if performing a fluid change)

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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