VSA DTC Troubleshooting: 121-11, 122-11, 123-11, 124-11

DTC 121-11: VSA Solenoid Valve Malfunction
DTC 122-11: VSA Solenoid Valve Malfunction
DTC 123-11: VSA Solenoid Valve Malfunction
DTC 124-11: VSA Solenoid Valve Malfunction

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information.

DTC Description	DTC	Freeze Frame
121-11 VSA Solenoid Valve Malfunction
122-11 VSA Solenoid Valve Malfunction
123-11 VSA Solenoid Valve Malfunction
124-11 VSA Solenoid Valve Malfunction

Problem verification:

Problem verification

?1.	Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

?2.	Clear the DTC with the HDS.

?3.	Turn the ignition switch to LOCK (0), then turn it to ON (II) again, or select the OFF mode, then the ON mode.

?4.

Check for DTCs with the HDS.

DTC Description	DTC	Freeze Frame
121-11 VSA Solenoid Valve Malfunction
122-11 VSA Solenoid Valve Malfunction
123-11 VSA Solenoid Valve Malfunction
124-11 VSA Solenoid Valve Malfunction

Is DTC 121-11, 122-11, 123-11, or 124-11 indicated?


	YES

The failure is duplicated. Go to step 2.


	NO

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

VSA modulator-control unit check (update):

VSA modulator-control unit check (update)

?1.	Update the VSA modulator-control unit if it does not have the latest software.

?2.	Turn the ignition switch to LOCK (0), then turn it to ON (II) again, or select the OFF mode, then the ON mode.

?3.

Check for DTCs with the HDS.

DTC Description	DTC	Freeze Frame

Is DTC 121-11, 122-11, 123-11, or 124-11 indicated?


	YES

Check for loose terminals in the VSA modulator-control unit 21P connector. If the VSA modulator-control unit was updated and the symptom/indication is still present, replace the VSA modulator-control unit.?


	NO

Troubleshooting is complete. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.?