DTC U0402-68 (VSA Control Unit)

WARNING: This page is about a different car, the 2022 Honda Accord, 2021 Honda Accord, 2020 Honda Accord, 2019 Honda Accord, and 2018 Honda Accord. However, it is still accessible from the selected car via links, so may be relevant.

DTC U0402-68 : TCM Failure

NOTE: Before you troubleshoot, review the general troubleshooting information .

DTC Description	DTC
U0402-68 TCM Failure

DTC (VSA)

Transmission control system DTCs check

-1. Check for transmission control system DTCs with the HDS.

A/T

DTC Description	Confirmed DTC	Pending DTC	Freeze Frame

CVT

DTC Description	Confirmed DTC	Pending DTC	Freeze Frame

Are any DTCs indicated?

YES

Go to indicated DTCs troubleshooting.

Go to step 2.

Problem verification

-1. Clear the DTC with the HDS.

-2. Turn the vehicle to the OFF (LOCK) mode.

-3. Test-drive the vehicle at 6 mph (10 km/h) or more.

NOTE: Drive the vehicle on the road, not on a lift.

-4. Check for DTCs with the HDS.

DTC Description	DTC
U0402-68 TCM Failure

Is DTC U0402-68 indicated?

YES

Check for loose terminals and poor connections in the VSA modulator-control unit 46P connector. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. If they are OK, replace the VSA modulator-control unit .

Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting .