DTC C1345-66: Linear Solenoid Valve Offset Learning Undone; DTC C1368-67: Linear Solenoid Valve Offset Malfunction [06/2015 - ]: Procedure

CHECK DTC

Clear the DTCs.
Refer to DTC CHECK / CLEAR [06/2015 - ]

Chassis > ABS/VSC/TRAC > Clear DTCs
Turn the power switch off.
Turn the power switch on (IG).

Check the DTCs (electronically controlled brake system and hybrid control system) that are output.

For Electronically Controlled Brake System: Refer to DTC CHECK / CLEAR [06/2015 - ]

For Hybrid Control System: Refer to DTC CHECK / CLEAR [06/2015 - ]

Chassis > ABS/VSC/TRAC > Trouble Codes

Powertrain > EV > Trouble Codes

Result

Result	Proceed to
DTCs (except C1345/66, C1368/67 and hybrid control system DTCs) are not output.	A
Hybrid control system DTCs are output.	B
DTCs (except C1345/66 and/or C1368/67) are output.	C

HINT:

Before performing initialization and calibration of the linear solenoid valve, C1203/95 will be output.

Result:

Result:

REPAIR CIRCUITS INDICATED BY OUTPUT DTCS. Refer to DIAGNOSTIC TROUBLE CODE CHART [06/2015 - ]

Result:

See step 2

PERFORM INITIALIZATION AND CALIBRATION OF LINEAR SOLENOID VALVE

Perform initialization and calibration of the linear solenoid valve.

Chassis > ABS/VSC/TRAC > Utility

Tester Display
ECB Utility

Result

Proceed to
NEXT

Result:

See step 3

RECONFIRM DTC

Turn the power switch off.
Clear the DTCs.
Refer to DTC CHECK / CLEAR [06/2015 - ]

Chassis > ABS/VSC/TRAC > Clear DTCs
Turn the power switch off.
Turn the power switch on (IG).

Check if the same DTC is output.

Chassis > ABS/VSC/TRAC > Trouble Codes

Result

Result	Proceed to
DTCs C1345/66 and C1368/67 are not output.	A
DTCs C1345/66 and/or C1368/67 are output.	B

Result:

END

Result:

REPLACE BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY. Refer to REMOVAL [06/2015 - 11/2018] , or refer to REMOVAL [11/2018 - ]