what causes my Honda Accord to jerk when shifting gears

Honda Accord 9th Generation (2013-2017)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

569 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 issues in Honda Accord. 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 the battery before working on electrical systems.
•Allow the engine to cool before checking or replacing transmission fluid.

Symptoms

•Jerking or shuddering sensation when shifting gears
•Delayed engagement when shifting from park to drive or reverse
•Unusual noises (clunking or grinding) during gear changes
•Check engine light illuminated
•Poor acceleration or loss of power
•Transmission fluid leaking or dirty

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related codes.
2
Check the transmission fluid level and condition (color and smell).
3
Inspect the transmission mounts for wear or damage.
4
Examine the throttle position sensor (TPS) for proper function.
5
Test the transmission control module (TCM) for faults.
6
Check for vacuum leaks in the intake system that may affect shifting.

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
•Multimeter
•Funnel
•Drain pan
•Jack and jack stands

Parts Required

•Transmission fluid
•Transmission mounts (if worn)
•Throttle position sensor (if faulty)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related codes.
2
Check the transmission fluid level and condition (color and smell).
3
Inspect the transmission mounts for wear or damage.
4
Examine the throttle position sensor (TPS) for proper function.
5
Test the transmission control module (TCM) for faults.
6
Check for vacuum leaks in the intake system that may affect shifting.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is off.
Disconnect the battery to prevent electrical shorts.

2. Check and Replace Transmission Fluid

Tools Required: Socket set, funnel, drain pan, transmission fluid.
Remove the transmission drain plug and drain the old fluid into a pan.
Replace the drain plug after the fluid has completely drained.
Use a funnel to add new transmission fluid through the dipstick tube. Refer to the owner’s manual for the correct type and quantity of fluid.
Check fluid level with the engine running and add more if necessary.

3. Inspect and Replace Transmission Mounts

Tools Required: Socket set, jack and jack stands.
Safely lift the vehicle and secure it with jack stands.
Locate the transmission mounts and visually inspect them for cracks or excessive wear.
If damaged, remove the bolts securing the mounts and replace them with new mounts, torquing to manufacturer specifications.

4. Test and Replace Throttle Position Sensor (if necessary)

Tools Required: Multimeter, socket set.
Disconnect the TPS connector and use a multimeter to check the voltage output while moving the throttle.
If voltage is out of range, remove the TPS and replace it with a new unit, ensuring proper alignment and torque on the mounting screws.

5. Check and Reprogram Transmission Control Module (if necessary)

Tools Required: OBD-II scanner.
If error codes indicate TCM issues, consult the manufacturer’s guidelines for reprogramming or replacing the TCM.
Follow the vehicle-specific procedures for installation or reprogramming.