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

Honda Civic 11th Generation (2022-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

Error Code: P0700

3 min read

559 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 issues in Honda Civic 2012-2015. Step-by-step guide with diagnostic procedures and repair instructions.

Error Code

P0700

Affected Component

Transmission

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool before checking or adding transmission fluid.

Symptoms

•Check engine light illuminated
•Rough or erratic shifting behavior
•Transmission enters limp mode
•Poor acceleration or hesitation
•Engine RPMs increase without corresponding vehicle speed

Diagnostic Steps

1
Scan the vehicle using an OBD-II scanner to confirm the P0700 code and retrieve any additional transmission-related codes.
2
Inspect the transmission fluid level and condition; look for signs of contamination or burnt fluid.
3
Check the transmission wiring harness and connectors for damage, corrosion, or loose connections.
4
Inspect the transmission control module (TCM) for any signs of damage or malfunction.
5
Test the vehicle's battery and charging system to ensure proper voltage supply to the TCM.
6
Look for any TCM updates or service bulletins related to the P0700 code from the manufacturer.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

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

Parts Required

•Transmission fluid (Honda ATF-Z1 or DW-1)
•Transmission control module (if replacement is needed)
•Wiring connectors (if repair is needed)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan the vehicle using an OBD-II scanner to confirm the P0700 code and retrieve any additional transmission-related codes.
2
Inspect the transmission fluid level and condition; look for signs of contamination or burnt fluid.
3
Check the transmission wiring harness and connectors for damage, corrosion, or loose connections.
4
Inspect the transmission control module (TCM) for any signs of damage or malfunction.
5
Test the vehicle's battery and charging system to ensure proper voltage supply to the TCM.
6
Look for any TCM updates or service bulletins related to the P0700 code from the manufacturer.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Disconnect the vehicle's battery to prevent electrical shorts.
Ensure the vehicle is on a level surface and safely supported.

2. Transmission Fluid Check and Replacement

Sub-steps:
- Remove the transmission dipstick and check fluid level; add fluid if low.
- If fluid is dirty or burnt, drain the old fluid by removing the drain plug.
- Replace the transmission fluid with OEM-spec fluid (Honda ATF-Z1 or DW-1).
- Reinstall the drain plug and torque to manufacturer's specifications (typically around 30 ft-lbs).

3. Inspect and Repair Wiring

Sub-steps:
- Visually inspect the wiring harness connected to the TCM.
- Repair any frayed wires or replace connectors if damaged.
- Use a multimeter to check for continuity in the wiring between the TCM and transmission sensors.

4. TCM Inspection and Reprogramming

Sub-steps:
- Locate the TCM (usually found under the dash or near the transmission).
- Disconnect the TCM and inspect for physical damage.
- If necessary, replace the TCM with a new or refurbished unit.
- Reprogram the TCM using an appropriate diagnostic tool or take it to a dealership for programming.

5. Reconnect Battery and Test Drive

Sub-steps:
- Reconnect the vehicle's battery.
- Start the engine and allow it to idle for a few minutes.
- Take the vehicle for a test drive to ensure proper shifting and that the check engine light remains off.