how to fix Honda Civic 10th Generation (2016-2021) transmission jerking when shifting gears

Honda Civic 10th Generation (2016-2021)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

543 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 transmission jerking in Honda Civic 10th Generation (2016-2021). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

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 opening any components related to the transmission.

Symptoms

•Jerking or shuddering during gear shifts
•Delayed engagement when shifting from park to drive or reverse
•Unusual noises during shifting (clunks or bumps)
•Check engine light illuminated
•Poor acceleration performance
•Increased RPMs without corresponding vehicle speed

Diagnostic Steps

1
Scan the vehicle's computer for error codes using an OBD-II scanner.
2
Check the transmission fluid level and condition (color and smell).
3
Inspect the transmission fluid for contamination or metal shavings.
4
Visually inspect the transmission mounts for wear or damage.
5
Test the transmission control module (TCM) for proper function.
6
Check for loose or damaged electrical connectors related to the transmission.

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
•Funnel
•Jack stands

Parts Required

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

Related Faults

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Diagnostic Steps

1
Scan the vehicle's computer for error codes using an OBD-II scanner.
2
Check the transmission fluid level and condition (color and smell).
3
Inspect the transmission fluid for contamination or metal shavings.
4
Visually inspect the transmission mounts for wear or damage.
5
Test the transmission control module (TCM) for proper function.
6
Check for loose or damaged electrical connectors related to the transmission.

Solution

1. Preparation

Gather tools and parts required for the repair.
Ensure the vehicle is parked on a level surface and the engine is cool.
Disconnect the battery to prevent electrical shorts.

2. Change Transmission Fluid

Sub-steps:
- Remove the transmission drain plug using a socket set and drain the old fluid into a suitable container.
- Replace the drain plug and torque it to the manufacturer’s specification (typically around 30-40 lb-ft).
- Refill the transmission with the appropriate type of new fluid (Honda ATF DW-1) using a funnel in the dipstick tube.
Tools Required: Socket set, funnel, torque wrench.

3. Inspect and Replace Transmission Mounts (if needed)

Sub-steps:
- Lift the vehicle safely using jack stands and remove the wheels if necessary for access.
- Locate the transmission mounts and visually inspect them for cracks or excessive wear.
- Remove the bolts securing the damaged mounts using a socket set.
- Install new mounts and torque to the specified values.
Tools Required: Socket set, jack stands.

4. Reprogram or Replace Transmission Control Module (if needed)

Sub-steps:
- If error codes indicate TCM issues, either reprogram the existing module using a compatible scanner or replace with a new one.
- Follow manufacturer instructions for programming the new TCM (if applicable).
Tools Required: OBD-II scanner, replacement TCM (if applicable).