FAULTBASE
NEWSASKCars
© 2025 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
Home/Cars/Honda/Accord/9th Generation (2013-2017)/how to fix P0700 code in Honda Accord 10th Generation (2018-2022)

how to fix P0700 code in Honda Accord 10th Generation (2018-2022)

Honda Accord 9th Generation (2013-2017)

Severity: highDifficulty: mediumError Code: P07002-4 hours
3 min read
534 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 Honda Accord 2018-2022. 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 down before inspecting the transmission.

Symptoms

  • •Check engine light illuminated
  • •Transmission slipping or harsh shifting
  • •Delayed engagement when shifting into gear
  • •Poor acceleration or loss of power
  • •Unusual noises from the transmission area
  • •Transmission overheating

Diagnostic Steps

  1. 1Scan for error codes using an OBD-II scanner to retrieve any additional transmission-related codes.
  2. 2Inspect the transmission fluid level and condition; look for contamination or burnt smell.
  3. 3Check the wiring and connectors related to the TCM for damage or corrosion.
  4. 4Perform a visual inspection of the transmission for any obvious leaks or mechanical issues.
  5. 5Test the TCM using a multimeter to ensure it is receiving the correct voltage.
  6. 6Clear the codes and take the vehicle for a test drive to see if the P0700 code returns.

Solution

Solution

1. Preparation

  • Gather tools and parts needed.
  • Ensure the vehicle is parked on a level surface and the parking brake is engaged.
  • Disconnect the negative battery terminal to prevent electrical shock.

2. Check Transmission Fluid

  • Remove the transmission dipstick and check the fluid level.
  • If low, add the recommended type of transmission fluid (usually Honda ATF DW-1).
  • If the fluid is dark or smells burnt, a fluid change may be necessary.

3. Inspect Wiring and Connectors

  • Remove the cover on the transmission control module.
  • Visually inspect all wiring and connectors for frayed wires or corrosion.
  • Use a multimeter to check for continuity in the wires leading to the TCM.

4. Replace Transmission Control Module (if faulty)

  • If the TCM is determined to be faulty, locate it (usually near the transmission).
  • Remove the bolts securing the TCM and disconnect the electrical connectors.
  • Install the new TCM by reversing the removal process. Ensure all connections are secure.

5. Reconnect Battery and Test

  • Reconnect the negative battery terminal.
  • Start the engine and check for any warning lights.
  • Take the vehicle for a test drive to ensure proper operation of the transmission.

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

Parts Required

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

Additional Information

Error CodeP0700
Component

Transmission

Repair Time

2-4 hours

Difficulty

medium

Severity

high

Tools

4 items

Parts

2 items

Related Faults

Discover similar issues

  1. my Honda Accord dashboard shows a traction control light, how do I fix it?

    Learn how to diagnose and fix the traction control light issue in Honda Accord. Step-by-step guide with diagnostic procedures and repair instructions.

    Component:Electrical
    Symptoms
    • •Traction control light illuminated on the dashboard
    • •Reduced acceleration or power during slippery conditions
    • +{count} more
  2. how to fix my Honda Accord that has a persistent hesitation during acceleration

    Learn how to diagnose and fix persistent hesitation during acceleration in Honda Accord. Step-by-step guide with diagnostic procedures and repair inst...

    Component:Engine
    Symptoms
    • •Hesitation or lag when pressing the accelerator
    • •Engine stalling during acceleration
    • +{count} more
  3. how to fix Honda Accord 8th Generation (2008-2012) timing chain noise

    Learn how to diagnose and fix timing chain noise in Honda Accord 8th Generation (2008-2012). Step-by-step guide with symptoms, diagnostic steps, and r...

    Component:Engine
    Symptoms
    • •Rattling or grinding noise from the engine, especially during acceleration
    • •Noise is more pronounced during cold starts
    • +{count} more
  4. my Honda Accord shakes when I accelerate what's wrong

    Learn how to diagnose and fix shaking during acceleration in Honda Accord. Step-by-step guide with symptoms, diagnostic steps, and repair instructions...

    Component:Suspension
    Symptoms
    • •Vehicle shakes or vibrates when accelerating
    • •Possible loss of power during acceleration
    • +{count} more
  5. how to fix P0303 misfire code on Honda Accord 9th Generation (2013-2017)?

    P0303

    Learn how to diagnose and fix P0303 cylinder 3 misfire in Honda Accord 9th Generation. Step-by-step guide with diagnostic procedures and repair instru...

    Component:Engine
    Symptoms
    • •Check engine light illuminated
    • •Rough idle or engine shaking
    • +{count} more
  6. how to fix a check engine light and code P0300 on Honda Accord 9th Generation (2013-2017)

    P0300

    Learn how to diagnose and fix P0300 engine misfire in Honda Accord 9th Generation. Step-by-step guide with diagnostic procedures and repair instructio...

    Component:Engine
    Symptoms
    • •Check Engine Light illuminated
    • •Engine shaking or rough idle
    • +{count} more

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