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Home/Cars/Honda/Pilot/YF4 (2023-Present)/how to fix P0700 code in Honda Pilot Third Generation (2016-present)

how to fix P0700 code in Honda Pilot Third Generation (2016-present)

Honda Pilot YF4 (2023-Present)

Severity: highDifficulty: mediumError Code: P07002-4 hours
3 min read
566 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 malfunction in Honda Pilot. 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 to cool before checking or changing transmission fluid.

Symptoms

  • •Check engine light illuminated
  • •Transmission slipping or harsh shifting
  • •Delayed engagement when shifting from park to drive
  • •Poor acceleration or loss of power
  • •Unusual transmission noises (grinding, whining)

Diagnostic Steps

  1. 1Scan for error codes using an OBD-II scanner to confirm P0700 and any additional related codes.
  2. 2Inspect the transmission fluid level and condition; look for signs of contamination or burning.
  3. 3Check the wiring and connectors related to the transmission control module (TCM) for damage or corrosion.
  4. 4Test the TCM for proper operation using a multimeter.
  5. 5Inspect the vehicle’s battery and charging system to ensure proper voltage supply to the TCM.
  6. 6Review the vehicle's service history for any recent transmission work or fluid changes.

Solution

Solution

1. Preparation

  • Tools Required: OBD-II scanner, multimeter, socket set, torque wrench, transmission fluid.
  • Ensure the vehicle is parked on a level surface, and the engine is cool.
  • Disconnect the negative battery terminal to prevent electrical shorts.

2. Inspect and Replace Transmission Fluid

  • Sub-steps:
    1. Locate the transmission fluid dipstick and remove it.
    2. Check the fluid level; if low, add the recommended type of transmission fluid (Honda ATF DW-1).
    3. If the fluid is dark or has a burnt smell, drain the old fluid using a fluid pump.
    4. Replace the transmission filter if applicable and refill with new transmission fluid.

3. Repair or Replace TCM Wiring

  • Sub-steps:
    1. Visually inspect all wiring harnesses connected to the TCM for signs of wear, damage, or corrosion.
    2. Repair any damaged wires or connectors using appropriate soldering techniques or replacement parts.
    3. Ensure all connections are secure and free of moisture.

4. TCM Diagnostics and Replacement

  • Sub-steps:
    1. Use a multimeter to test the TCM for voltage inputs and outputs following the manufacturer’s specifications.
    2. If the TCM is faulty, remove it from its mounting bracket.
    3. Disconnect the electrical connectors and replace it with a new TCM.
    4. Reconnect all connectors and secure the TCM back in place.

5. Reconnect Battery and Clear Codes

  • After completing the repairs, reconnect the negative battery terminal.
  • Use the OBD-II scanner to clear any stored codes and reset the check engine light.

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

  • Honda ATF DW-1 transmission fluid
  • Transmission filter (if applicable)
  • Transmission control module (if replacement is necessary)

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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