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Home/Cars/Honda/Civic/9th Generation (2012-2015)/how to fix P0700 code in Honda Civic 9th Generation (2012-2015)

how to fix P0700 code in Honda Civic 9th Generation (2012-2015)

Honda Civic 9th Generation (2012-2015)

Severity: highDifficulty: mediumError Code: P07002-4 hours
3 min read
578 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 fault in Honda Civic 9th Generation (2012-2015). 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 to prevent shorts.
  • ⚠Allow the engine to cool before working on the transmission to avoid burns.

Symptoms

  • •Check engine light illuminated
  • •Harsh or erratic shifting
  • •Delayed engagement when shifting from park to drive
  • •Transmission slipping or losing power
  • •Unusual noises from the transmission

Diagnostic Steps

  1. 1Scan for error codes using an OBD-II scanner to confirm the P0700 and any additional transmission-related codes.
  2. 2Inspect the transmission fluid level and condition; low or dirty fluid can cause transmission issues.
  3. 3Check the wiring and connectors to the TCM for signs of damage, corrosion, or loose connections.
  4. 4Test the TCM for proper function using a multimeter to measure voltage and resistance as specified by manufacturer guidelines.
  5. 5Perform a visual inspection of the transmission for any visible leaks or damage to seals and gaskets.

Solution

Solution

1. Preparation

  • Gather tools: OBD-II scanner, multimeter, socket set, torque wrench, transmission fluid, and a clean container for fluid catch.
  • Ensure the vehicle is parked on a level surface and the engine is off.

2. Inspect and Replace Transmission Fluid

  • Sub-steps:
    1. Remove the transmission fluid dipstick and check fluid level.
    2. If fluid is low, add the recommended type of transmission fluid (Honda ATF-Z1 or equivalent).
    3. If fluid is dirty or burnt, drain the transmission fluid from the drain plug into a clean container.
    4. Replace the transmission filter (if applicable) and install a new filter.
    5. Refill the transmission with new fluid using a funnel; ensure the correct amount is added according to the manufacturer specifications.

3. Repair or Replace Wiring/Connectors

  • Sub-steps:
    1. Inspect the wiring harness leading to the TCM for any frayed wires or loose connections.
    2. Repair any damaged wires with appropriate electrical tape or connectors.
    3. If the connector is corroded, clean it using electrical contact cleaner and ensure a tight fit when reconnected.

4. Test and Replace TCM (if necessary)

  • Sub-steps:
    1. Using the multimeter, check the TCM for proper voltage and resistance according to the specifications.
    2. If the TCM fails the test, disconnect the battery, remove the TCM from its mounting location, and replace it with a new unit.
    3. Reconnect the battery and ensure all connections are secure.

5. Clear Codes and Test Drive

  • Sub-steps:
    1. Use the OBD-II scanner to clear the P0700 code from the system.
    2. Start the engine and perform a test drive to ensure the transmission operates smoothly without further issues.

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
  • Funnel

Parts Required

  • Transmission fluid (Honda ATF-Z1 or equivalent)
  • Transmission filter (if applicable)
  • TCM (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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