why does my Honda Accord 10th Generation (2018-2022) transmission jerk when shifting

Honda Accord 8th Generation (2008-2012)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

533 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 Accord 10th Generation (2018-2022). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Transmission

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

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

Symptoms

•Jerking or shuddering during gear shifts
•Delayed acceleration after shifting
•Unusual noise during shifting (clunking or grinding)
•Check engine light illuminated
•Fluctuating RPMs during acceleration

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related trouble codes.
2
Check transmission fluid level and condition; ensure it is at the proper level and not contaminated.
3
Inspect the transmission fluid for burnt smell or dark color, indicating overheating or degradation.
4
Examine the transmission control module (TCM) for software updates or faults.
5
Inspect the engine and transmission mounts for wear or damage that could cause misalignment.
6
Test drive the vehicle to replicate the jerking issue while monitoring performance.

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
•Fluid pump
•Funnel
•Socket set
•Torque wrench

Parts Required

•Transmission fluid (Honda ATF DW-1)
•Replacement engine and transmission mounts (if necessary)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related trouble codes.
2
Check transmission fluid level and condition; ensure it is at the proper level and not contaminated.
3
Inspect the transmission fluid for burnt smell or dark color, indicating overheating or degradation.
4
Examine the transmission control module (TCM) for software updates or faults.
5
Inspect the engine and transmission mounts for wear or damage that could cause misalignment.
6
Test drive the vehicle to replicate the jerking issue while monitoring performance.

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 negative battery terminal to prevent electrical issues.

2. Check and Replace Transmission Fluid

Step 1: Locate the transmission dipstick and remove it to check fluid level.
Step 2: If fluid is low or dirty, drain the old transmission fluid using a fluid pump.
Step 3: Replace the transmission fluid with the manufacturer-recommended type (typically Honda ATF DW-1).
Step 4: Refill the transmission through the dipstick tube until the fluid level is correct.
Tools Required: Fluid pump, funnel.

3. Inspect and Test the Transmission Control Module (TCM)

Step 1: Locate the TCM under the dashboard or near the transmission.
Step 2: Check for any visible damage or loose connections.
Step 3: If necessary, reprogram or update the TCM using a compatible diagnostic tool.
Tools Required: OBD-II scanner, diagnostic tool for reprogramming.

4. Check Engine and Transmission Mounts

Step 1: Visually inspect the engine and transmission mounts for cracks or wear.
Step 2: Replace any damaged mounts by unbolting them from the engine and transmission, then installing new mounts.
Tools Required: Socket set, torque wrench.

5. Reconnect Battery

Reconnect the negative battery terminal after completing all repairs.
Ensure all connections are secure.