NHTSA ID Number: 10215602
Manufacturer Communication Number: 22-AT-008H
TSB/Document Date: 2022-07-09
Summary
If you are servicing an applicable vehicle with a “Check Engine†light on and one or more of the DTC listed below, follow the Service Procedure and replace the related solenoid and harness.
GROUP
NUMBER
AUTOMATIC
TRANSMISSION
Technical Service Bulletin
SUBJECT:
DATE
22-AT-008H
MODEL
JUNE, 2022
SONATA HYBRID (DN8 HEV)
SANTA FE HYBRID (TM HEV/PHEV)
TUCSON HYBRID (NX4 HEV/PHEV)
AUTOMATIC TRANSAXLE SOLENOID DTC P074800, P075300,
P075800, P076300, P076800, P077300, P177800 & P270900
DESCRIPTION: If you are servicing an applicable vehicle with a “Check Engine” light on and one or
more of the DTC listed below, follow the Service Procedure and replace the related solenoid and
harness.
APPLICABLE VEHICLES:
2020~ Sonata Hybrid (DN8 HEV)
2021~ Santa Fe Hybrid (TM HEV)
2022~ Santa Fe Plug-in Hybrid (TM PHEV)
2022~ Tucson Hybrid
(NX4 HEV)
2022~ Tucson Plug-in Hybrid (NX4 PHEV)
DTC AND PARTS INFORMATION:
Refer to the PNC in the parts catalog to order the correct part number.
Model
2020~ Sonata Hybrid (DN8 HEV)
2021~ Santa Fe Hybrid (TM HEV)
2022~ Santa Fe Plug-in Hybrid (TM PHEV)
2022~ Tucson Hybrid (NX4 HEV)
2022~ Tucson Plug-in Hybrid (NX4 PHEV)
DTC
Description
PNC
Part Number
P074800 Pressure control solenoid
46313A 46313-3D8**
P075300 Shift control solenoid A (UD)
46313C 46313-2F4**
P075800 Shift control solenoid B (26)
46313B 46313-2F3**
P076300 Shift control solenoid C (35R)
46313B 46313-2F3**
P076800 Shift control solenoid D (OD)
46313C 46313-2F4**
P077300 Shift control solenoid E (SSA)
46313D 46313-3B0**
P177800 Engine clutch solenoid D (OD)
46313E 46313-3D8**
P270900 Shift control solenoid F (SSB)
46313D 46313-3B0**
ALL
Harness with oil temperature
ALL
Valve body gasket
46307
46307-3D***
45282E 45283-3D1**
Circulate To: Service Manager, Warranty Manager, Service Advisors, Technicians, Fleet Repair
AUTOMATIC TRANSAXLE SOLENOID DTC
SUBJECT:
WARRANTY INFORMATION:
Model
Op Code
Operation
2020~ Sonata Hybrid (DN8 HEV)
2021~ Santa Fe Hybrid (TM HEV)
2022~ Tucson Hybrid (NX4 HEV)
45775R00
Solenoid
replacement
2022~ Santa Fe Plug-in Hybrid (TM
PHEV)
2022~ Tucson Plug-in Hybrid (NX4
PHEV)
45775R6P
Solenoid
replacement
All
45775RH1
Hybrid
2021~ Santa Fe Hybrid (TM HEV)
2022~ Santa Fe Plug-in Hybrid
(PHEV)
2022~ Tucson Hybrid (NX4 HEV)
2022~ Tucson Plug-in Hybrid (NX4
PHEV)
45775RF1
4WD
All
45775RQ0
GDS
Op Time
Causal
Part
Refer to
Refer to
Parts
WEBLTS
Information
for current
table on
LTS time
Page 1
Nature Cause
Code
Code
I3A
ZZ3
Note 1: Note 1:Normal Warranty Applies
Note 2: Please note that Op Codes 45775R00 and 45775R6P are primary Op Codes. Op codes 45775RH1
and 45775RF1 are additional to the primary Op Codes and must be used for the hybrid vehicles listed above.
Op Code 45775RQ0 must be used for diagnosis using the GDS.
SAFETY PRECAUTION:
Refer to the related shop manual, Hybrid Motor System, General
Safety Information and Caution warnings.
NOTE: Use only Rubber Insulating Gloves that meet or exceed
ASTM D120 standards. (1000 volts AC/1500 volts DC).
Order from Hyundai.service-solutions.com, “EV Tools”
P/N J-48755-10H, J-48755-11H, J-48755-12H
TSB #: 22-AT-008H
Page 2 of 15
SUBJECT:
AUTOMATIC TRANSAXLE SOLENOID DTC
SERVICE PROCEDURE:
1.
Attach a GDS and select DTC Analysis and A/T menu. Record the DTC and description.
Delete the DTC.
2.
From the GDS home screen, select Data Analysis and A/T menu and the parameters shown
below. If the parameters show:
• Continuous and changing output while driving, the wiring currently has no open/short
circuits. Go to Step 4.
• No continuous and changing output, go to Step 3.
3.
Visually check the wiring harness between the ECU or TCU and transmission for a damaged
wire or open/short circuit. Check for a damaged pin or pin not fully inserted into the connector.
• If damage exists, repair or replace the harness between the ECU or TCU and transmission.
• If no damage or open/short circuit, go to Step 4.
ECU and TCU information:
M
4.
Models
Santa Fe Hybrid/Plug-in Hybrid (TM HEV/PHEV)
Sonata Hybrid (DN8 HEV)
Tucson Hybrid/Plug-in Hybrid (NX4 HEV/PHEV)
Control Unit
Separate ECU and TCU
Combined ECU/TCU (PCM)
Separate ECU and TCU
Record the preset radio stations.
TSB #: 22-AT-008H
Page 3 of 15
SUBJECT:
AUTOMATIC TRANSAXLE SOLENOID DTC
5.
Disconnect the service 12V interlock connector
located on the passenger side of the engine
bay.
6.
Disconnect the service high-voltage interlock
connector located on the driver side of the
engine bay.
Wait 3 minutes for the capacitor in the highvoltage system to be fully discharged.
Refer to the Automatic Transaxle System,
High Voltage Shut-off Procedure.
7.
Remove the bolt and disconnect the high
voltage power cable.
Torque: 7~8 lb-ft (1.0~1.2 kgf.m, 10~12 N.m
TSB #: 22-AT-008H
Page 4 of 15
AUTOMATIC TRANSAXLE SOLENOID DTC
SUBJECT:
8.
Wait more than 3 minutes so the capacitor in
the high voltage system can be discharged.
Measure the voltage between the inverter (+)
terminal and (-) terminal.
If the voltage is below 30V, the high voltage
circuit has been disconnected.
!
If more than 30V, there is a fault on the
high voltage circuit and the vehicle is
not safe to work on.
9.
Measure the voltage between the power cable
(+) terminal and (-) terminal.
If the voltage is below 30V, the high voltage
circuit has been disconnected.
10. Measure the voltage between the power cable
(+) terminal and chassis ground.
If the voltage is below 30V, the high voltage
circuit has been disconnected.
11. Measure the voltage between the power cable
(-) terminal and chassis ground.
If the voltage is below 30V, the high voltage
circuit has been disconnected.
!
If more than 30V, there is a fault on
the high voltage circuit and the
vehicle is not safe to work on.
12. Drain the engine coolant at the radiator.
Refer to Engine Mechanical System, Cooling System, Coolant, Repair Procedures.
TSB #: 22-AT-008H
Page 5 of 15
SUBJECT:
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TSB/Document ID: 22-AT-008H
Replacement Service Bulletin Number:
MFR Communication Date: 2022-06-21
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING
MFR Component System:
MFR Component Subsystem:
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