NHTSA ID Number: 10210201
Manufacturer Communication Number: Certain vehicles
TSB/Document Date: 2022-04-08
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 harness with an integrated oil temperature sensor.
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TSB/Document ID: Certain vehicles
Replacement Service Bulletin Number:
MFR Communication Date: 2022-03-14
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
MFR Component System:
MFR Component Subsystem:
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GROUP
NUMBER
AUTOMATIC
TRANSMISSION
Technical Service Bulletin
DATE
22-AT-003H
MODEL
MARCH, 2021
SONATA HYBRID
(DN8 HEV)
SANTA FE HYBRID (TM HEV/PHEV)
TUCSON HYBRID (NX4 HEV/PHEV)
AUTOMATIC TRANSAXLE OIL TEMPERATURE SENSOR
DTC P071100, P071200 & P071300
SUBJECT:
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 harness with an
integrated oil temperature sensor.
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)
ALL
DTC
Description
P071100
Fluid temperature sensor
circuit - range/performance
P071200
Fluid temperature sensor
circuit - low input
P071300
Fluid temperature sensor
circuit – high input
All
Valve body gasket
PNC
Part Number
46307
46307-3D8**
45282E
45283-3D1**
Circulate To: Service Manager, Warranty Manager, Service Advisors, Technicians, Fleet Repair
SUBJECT:
ATM OIL TEMPERATURE SENSOR DTC P071100, P071200 & P071300
WARRANTY INFORMATION:
Model
Op Code
Operation
2020~ Sonata Hybrid (DN8 HEV)
2021~ Santa Fe Hybrid (TM HEV)
2022~ Tucson Hybrid (NX4 HEV)
46308R00
Harness
2022~ Santa Fe Plug-in Hybrid (TM PHEV)
2022~ Tucson Plug-in Hybrid (NX4 PHEV)
46308R6P
Harness
All
46308RH1
All
46308RQ0
GDS
Operation
Op Time
Causal
Part
See
Refer to
Parts
WEBLTS
Informafor
tion
current
table
LTS time
above
Nature Cause
Code
Code
I3A
ZZ3
Note 1: Normal Warranty Applies
Note 2: Please note that Op Codes 46308R00 and 46308R6P are primary Op Codes. Op code
46308RH1 is additional to the primary Op Codes and must be used for the hybrid vehicles listed
above. Op Code 46308RQ0 must be used for diagnosis using the GDS.
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 PCM or TCU and transmission.
Drive the vehicle to confirm the repair.
If no damage or open/short circuit, go to Step 4.
TSB #: 22-AT-003H
Page 2 of 13
SUBJECT:
IL
ATM OIL TEMPERATURE SENSOR DTC P071100, P071200 & P071300
NOTE: ECU and TCU information:
M
Models
Santa Fe Hybrid/Plug-in Hybrid (TM HEV/PHEV)
Sonata Hybrid (DN8 HEV)
Tucson Hybrid/Plug-in Hybrid (NX4 HEV/PHEV)
4.
Record the preset radio stations.
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.
Control Unit
Separate ECU and TCU
Combined ECU/TCU (PCM)
Separate ECU and TCU
Wait 3 minutes for the capacitor in the highvoltage system to be fully discharged.
Refer to the shop manual, Automatic
Transaxle System, High Voltage Shut-off
Procedures.
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-003H
Page 3 of 13
SUBJECT:
8.
ATM OIL TEMPERATURE SENSOR DTC P071100, P071200 & P071300
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.
!
WARNING
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.
!
WARNING
If more than 30V, there is a fault on
the high voltage circuit and the
vehicle is not safe to work on.
TSB #: 22-AT-003H
Page 4 of 13
SUBJECT:
IL
ATM OIL TEMPERATURE SENSOR DTC P071100, P071200 & P071300
12. Drain the engine coolant at the radiator.
Refer to the shop manual, Engine Mechanical
System, Cooling System, Coolant.
13. Remove the plastic under cover.
Remove the drain plug and drain the ATF.
Reinstall the drain plug.
Torque: 25~31 lb-ft (3~4 kg.m, 33~43 N.m)
14. Remove the hybrid cooling system drain plug.
Refer to the shop manual, Hybrid Motor
System, Hybrid Motor Cooling System –
Coolant.
Reinstall the hybrid cooling system drain plug.
Optional procedure: Disconnect the lower hose
from the hybrid radiator.
15. Disconnect the TCU connector and remove the
TCU.
Remove the hybrid power control unit (HPCU).
Refer to the shop manual, Hybrid Control
System, Hybrid Control System, HPCU.
Disconnect the OPU connector and remove
the OPU.
TCU
HPCU
OPU
TSB #: 22-AT-003H
Page 5 of 13
SUBJECT:
ATM OIL TEMPERATURE SENSOR DTC P071100, P071200 & P071300
16. Remove the HPCU tray.
17. Remove the ground bolt.
Move the harness aside for access to the
transmission.
18. Disconnect the air bleeder hose.
TSB #: 22-AT-003H
Page 6 of 13
SUBJECT:
IL
ATM OIL TEMPERATURE SENSOR DTC P071100, P071200 & P071300
19. Disconnect the harness from the connector.
Remove the bolt and clip. Push the connector
into the transmission case.
20. Remove the ATF warmer, located on the valve
body cover.
21. For Tucson Plug-in Hybrid (NX4 PHEV): Refer to the shop manual, Automatic Transaxle
System, Automatic Transaxle System, Automatic Transaxle, Repair Procedures and
remove the transmission. Go to Step 22.
For all other HEV/PHEV: Continue with Step 22.
22. Remove the valve body cover.
CAUTION
Use a rubber hammer to tap the cover
on a corner until the cover is loose.
TSB #: 22-AT-003H
Page 7 of 13
SUBJECT:
ATM OIL TEMPERATURE SENSOR DTC P071100, P071200 & P071300
23. Remove the bolts for the harness with integral
oil temperature sensor.
Move the main harness up and out of the way
so the valve body can be removed.
Remove the bolts on the valve body, beginning
with the outer bolts and moving to the inner
bolts.
Remove the valve body.
24. Lay the valve body on a clean paper towel.
NOTICE
Do not lay the valve body on a rag
because a rag may have lint that
can contaminate the valve body.
25.
Disconnect the harness from the input and
output speed sensors.
Remove the harness.
Install a new harness and push the connector
firmly into the transmission case.
Reconnect the harness to the input and output
speed sensors.
TSB #: 22-AT-003H
Page 8 of 13
SUBJECT:
IL
26.
ATM OIL TEMPERATURE SENSOR DTC P071100, P071200 & P071300
Confirm 2 O-rings are installed in the
transmission case.
27. Move the harness up and out of the way so the valve body can be reinstalled.
Align the manual shaft on the valve body to the slot in the manual lever and install the valve
body.
Reinstall the valve body bolts, beginning with the inner bolts and moving outward. Torque the
bolts to specification.
Torque: 7~9 lb.ft (1.0~1.2 kgf.m, 10~12 N.m)
28. Confirm the manual shaft is inserted in the slot
in manual lever.
TSB #: 22-AT-003H
Page 9 of 13
SUBJECT:
ATM OIL TEMPERATURE SENSOR DTC P071100, P071200 & P071300
29. Confirm the harness connector is pushed firmly
into the case.
Install the new main harness.
Install the bolts and torque to specification.
Torque: 7~9 lb-ft (1.0~1.2 kgf-m, 10~12 N.m)
30. Install a new valve body gasket.
P/N 45283-3D100.
Reinstall the valve body cover and torque the
bolts to specification.
Torque: 9~10 lb.ft (1.2~1.4 kgf.m, 12~13
N.m)
Reconnect the ATF hoses.
31. Reinstall the harness and install the ground
bolt.
Reinstall the HPCU tray.
Reinstall the OPU, HPCU and TCU.
Refer to the shop manual, Hybrid Control
System, Hybrid Control System, HPCU.
TSB #: 22-AT-003H
Page 10 of 13
SUBJECT:
IL
ATM OIL TEMPERATURE SENSOR DTC P071100, P071200 & P071300
32. Remove the fill plug.
Add approximately 4 quarts of SP4-M1 ATF,
P/N 00232-19107 through the fill plug.
Reinstall the fill plug and torque to
specification.
Torque: 25~31 lb-ft (3~4 kgf.m, 34~43 N.m)
33. Reconnect the 12V safety plug located on the
passenger side of the engine bay.
34. Reconnect the high voltage plug, located on
the driver’s side near the radiator.
TSB #: 22-AT-003H
Page 11 of 13
SUBJECT:
ATM OIL TEMPERATURE SENSOR DTC P071100, P071200 & P071300
35. Attach the radiator hoses.
Refill the engine coolant.
Refer to the related shop manual, Engine
Mechanical System, Cooling System,
Coolant and Repair Procedures.
Attach a GDS and select S/W Management,
Engine Control and Integrated Thermal
Module Coolant Filling Mode. Follow the
GDS prompts.
36. Reinstall the hybrid coolant drain plug.
Add hybrid coolant through the reservoir.
NOTE: Use 00232-19091 Electric Vehicle
Battery System Coolant (BSC-1).
Refer to the related shop manual, Hybrid
Motor System, Hybrid Motor Cooling
System, Coolant and Repair procedure.
Attach a GDS and perform the hybrid coolant
refill procedure. Select S/W Management,
Motor Control System, Electric Water Pump
Control. Follow the GDS prompts.
37. Attach the GDS and select Data Analysis, A/T
menu and Oil Temperature Sensor.
Start the engine and shift to R, D and Park.
When the ATF is 122°F~140°F (50~60°C),
remove the level checking plug. The level is
correct when ATF flows out of the level
checking plug in a thin steady stream.
If ATF does not flow out of the level checking
plug, use a fluid pump to add additional
SP4-M1 ATF, P/N 00232-19107 through the
level checking plug.
Collect and dispose of any excess fluid in
accordance with local regulations.
38. Input the radio stations recorded in Step 5.
TSB #: 22-AT-003H
Page 12 of 13
SUBJECT:
IL
ATM OIL TEMPERATURE SENSOR DTC P071100, P071200 & P071300
39. Clear the DTC and test drive the vehicle for two key-on/key-off driving cycles, including 1-2-3-45-6 upshifts and 6-5-4-3-2-1 downshifts. If the DTC returns, perform the following repairs:
REPAIR PROCEDURE
Repair or replace the control wiring harness between the PCM or TCU and
transmission.
If the DTC does not return, return the vehicle to the customer.
If the DTC returns again, replace the PCM or TCU.
NOTE: ECU and TCU information:
Models
Control Unit
Santa Fe Hybrid/Plug-in Hybrid (TM HEV/PHEV)
Separate ECU and TCU
Sonata Hybrid (DN8 HEV)
Tucson Hybrid/Plug-in Hybrid (NX4 HEV/PHEV)
Combined ECU/TCU (PCM)
Separate ECU and TCU
40. Drive the vehicle to confirm the transmission is operating as designed.
TSB #: 22-AT-003H
Page 13 of 13
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