NUMBER
GROUP
HYBRID
CONTROL

Technical Service Bulletin

DATE
DECEMBER,
2018

18-HC-004
MODEL

IONIC HYBRID/
PLUG-IN HYBRID
(AE HEV/PHEV)

HEV/PHEV CALIBRATION USING GDS
DESCRIPTION:
This bulletin provides the procedures for calibrating Ionic Hybrid sensors using GDS whenever the
components listed below are replaced or the DTC listed are stored:
Applicable Vehicles:

#

2017~ Ionic Hybrid/Plug-in Hybrid (AE HEV/PHEV)

Procedure

After replacing the following:

1.

Motor/HSG (Hybrid Starter Generator) Resolver
Calibration




HSG replaced
If DTC P0C1700 or P1C76 is stored

2.

EWP (Electronic Water Pump) Actuation



HSG, HPCU, EWP, OBC, inverter
radiator or coolant hoses replaced



HPCU, ECU, brake pedal or brake
pressure sensor replaced
If DTC C137801, C137902, C138004
or C138404 stored

3.

Brake Pedal Travel Sensor Calibration & AHB (Active
Hydraulic Booster) Pressure

1. Initialization of the engine clutch inspection line
learning and diagnostic information
2. Removal of air from engine clutch hydraulic pressure
line
4. 3. Engine Clutch/Motor Resolver Adaptation
4. Stabilization of engine clutch hardware transfer torque
DCT Manual Input Function (DCT exchange)
DCT Leaning Function








DCT replaced
Hybrid motor replaced
Engine clutch, Engine clutch actuator
HPCU, HSG replaced
If DTC P17EB, P17C000 or P1744 are
stored



DCT (Additional steps)

NOTICE
Follow the prompts on the GDS to determine if the vehicle should be in HEV Ready or HEV
Not Ready mode.
Turn off the ignition and GDS. Turn on the ignition and GDS and perform the test.
Check for DTC NOTICE
in all modules and erase any DTC.
Turn
the
ignition
and GDS. Turn on the ignition and GDS and perform the test.
If anyoff
test
shows
“Failed”:



Check for DTC in all modules and erase any DTC.
Turn off the ignition and GDS. Turn on the ignition and GDS and perform the test.

Circulate To: Service Manager, Warranty Manager, Service Advisors, Technicians, Fleet Repair

SUBJECT:

HEV/PHEV CALIBRATION PROCEDURES USING GDS

Warranty Information: Normal Warranty applies

SERVICE PROCEDURE
1.

MOTOR/HSG RESOLVER CALIBRATION:
Conditions where calibration is required:
• After reinstalling or replacing the HSG.
• When DTC P0C17 or P1C76 is stored and the service indicator in the cluster is illuminated.
GDS procedure to perform Motor/HSG Resolver Calibration:
CONDITION: HEV Ready: (Press the Start-Stop Button (SSB) one time with brake pedal
depressed)
Select S/W Management, PHEV/HEV Motor Control System and Motor/HSG Resolver
Calibration. Select OK and follow the prompts on the GDS.
The GDS will automatically go back to the home screen. Go to Step 4 and select S/W
Management, HCU/Low DC-DC Converter. Select OK and follow the prompts on the GDS.

NOTICE
After selecting this test, the GDS will return to the home page. Go to Step 4 and
perform all 4 procedures in the listed order.

TSB #: 18-HC-004

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SUBJECT:

HEV/PHEV CALIBRATION PROCEDURES USING GDS

2. ELECTRIC WATER PUMP (EWP) ACTUATION:
Conditions where calibration is required:
• After changing or adding coolant.
• After reinstalling or replacing the HPCU, HSG, EWP, OBC, inverter radiator or coolant hoses.
GDS procedure to perform Electric Water Pump Actuation:
CONDITION: HEV not Ready: (Press the SSB two times without depressing brake pedal)
Select S/W Management, PHEV/HEV Motor Control System and Electric Water Pump
Control. Select OK and follow the prompts on the GDS.
The GDS will display “Test Completed”. Press OK.

TSB #: 18-HC-004

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SUBJECT:

HEV/PHEV CALIBRATION PROCEDURES USING GDS

3. BRAKE PEDAL TRAVEL SENSOR & AHB PRESSURE SENSOR CALIBRATION
Conditions where calibration is required:
• After reinstalling or replacing the HPCU, ECU, brake pedal or brake pressure sensor.
• If C137801, C137902, C137902, C138004 or C138404 are stored.
GDS procedure for Brake Pedal Travel Sensor & AHB Pressure Sensor
Calibration:
CONDITION: HEV not Ready: (Press the SSB two times without depressing brake pedal).
Select S/W Management, ESC/AHB and Pressure Sensor Calibration. Select OK and follow
the prompts on the GDS.
The GDS will display “Calibration Completed”. Press OK.

Select S/W Management, ESC/AHB and Pedal Travel Sensor (PTS) Calibration. Select OK
and follow the prompts on the GDS.
CONDITION: HEV not Ready: (Press the SSB two times without depressing brake pedal).
The GDS will display “Calibration Completed”. Press OK.

TSB #: 18-HC-004

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SUBJECT:

HEV/PHEV CALIBRATION PROCEDURES USING GDS

4. DUAL CLUTCH TRANSMISSION, HYBRID MOTOR, ENGINE CLUTCH, ENGINE CLUTCH
ACTUATOR, HPCU or HSG are replaced.
If DTC P17EB or P17C000 or ENGINE CLUTCH DTC P1744 are stored.
Select S/W Management, HCU/Low DC-DC Converter. Select OK and follow the prompts on
the GDS.
CONDITION: HEV Ready: (Press the SSB one time with brake pedal depressed).
NOTE: Perform the procedure in the order listed below.
The GDS will display “Calibration Completed”. Press OK.

1
2
3
4

DCT REPLACEMENT (ADDITIONAL), HPCU, TCM or GEAR ACTUATOR ASSY:
Select S/W Management, Transmission/dual Clutch Transmission. Select OK and follow the
prompts on the GDS.
CONDITION: HEV Not Ready: (Press the SSB two times without depressing brake pedal).
Perform the DCT Learning Function. Next, the GDS will prompt you to select HEV Ready to
continue. The GDS will display “Calibration Completed”. Press OK.

CONDITION: HEV Not Ready: (Press the SSB two times without depressing brake pedal).

TSB #: 18-HC-004

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