NHTSA ID Number: 10211671
Manufacturer Communication Number: 22-AT-005H
TSB/Document Date: 2022-05-10
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 repair procedure and replace the related solenoid and valve body harness.
GROUP
NUMBER
AUTOMATIC
TRANSMISSION
DATE
Technical Service Bulletin
APRIL, 2022
22-AT-005H
MODEL
SONATA (LFa)
SANTA FE (TMa)
PALISADE (LX2)
SANTA CRUZ (NXT)
SONATA (DN8/DN8a)
TUCSON (NX4/NX4a)
AUTOMATIC TRANSAXLE SOLENOID DTC P074100, P074300,
P074800, P075300, P075800, P076300, P076800, P077300 &
P270900
SUBJECT:
This TSB supersedes TSB 20-AT-005H-1 to add Tucson (NX4/NX4a) & Santa Cruz (NXT).
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 repair procedure and replace the related solenoid and valve
body harness.
APPLICABLE VEHICLES:
2018~19
2020~
2019~
Sonata (LFa) 2.0T
Sonata (DN8) 1.6T/2.5L
Santa Fe (TMa) 2.0T/2.4L
2020~ Palisade (LX2) 3.8L
2022~ Santa Cruz (NXT) 2.5L
2022~ Tucson (NX4/NX4a) 2.5L
PARTS INFORMATION:
Refer to the PNC in the parts catalog to order the correct solenoid part number.
MODEL
DTC
2018~19 Sonata
(LFa) 2.0T
2020~ Sonata
(DN8) 1.6T/2.5L
2019~ Santa Fe
(TMa) 2.0T/2.4L
2020~ Palisade
(LX2) 3.8L
2022~ Santa Cruz
(NXT) 2.5L
2022~ Tucson
(NX4/NX4a) 2.5L
ALL
PART
PNC
PART NUMBER
P074100 Torque converter clutch system
46202A
46313-3B***
P074300 Torque converter clutch circuit
46202A
46313-3B***
P074800 Pressure control solenoid (PC)
46313A
46313-3B***
P075300 Shift solenoid A (UD)
46313B
46313-4G***
P075800 Shift solenoid B (46)
46313C
46313-4G***
P076300 Shift solenoid C (37R)
46313C
46313-4G***
P076800 Shift solenoid D (OD&LR)
46313B
46313-3B***
P077300 Shift solenoid E (28)
46313C
46313-4G***
P270900 Shift control solenoid valve F (SSA)
46313D
46313-3B***
46307
46307-4G***
45282E
45283-4G***
Valve body internal harness
Plastic oil pan gasket
Circulate To: Service Manager, Warranty Manager, Service Advisors, Technicians, Fleet Repair
SUBJECT:
AUTOMATIC TRANSAXLE SOLENOID DTC P074100, P074300,
P074800, P075300, P075800, P076300, P076800, P077300 & P270900
WARRANTY INFORMATION:
MODEL
2018~19 Sonata (LFa)
OP CODE
OP TIME
CAUSAL
PART
NATURE CAUSE
CODE
CODE
45775R00
2020~ Sonata (DN8)
2022~ Santa Cruz (NXT)
2022~ Tucson (NX4/NX4a)
2019~ Santa Fe (TMa)
45775R8M
2020~ Palisade (LX2)
45775R8L
ALL
OPERATION
45775RQ0
Solenoid
replacement
Refer to
Refer to
Parts
WEBLTS for
Information
current LTS
table on
time
Page 1
I3A
ZZ3
GDS operation
NOTE: Normal warranty applies
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 solenoid parameters
shown below. If the solenoids 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.
TSB #: 22-AT-005H
Page 2 of 10
SUBJECT:
3.
AUTOMATIC TRANSAXLE SOLENOID DTC P074100, P074300,
P074800,,P075300, P075800, P076300, P076800, P077300 & P270900
Visually check the wiring harness between the PCM 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 ECM control harness and drive the vehicle to confirm
the repair.
If no damage or open/short circuit is found, go to Step 4.
NOTE: All listed vehicles have a PCM (integrated ECU/TCU) except Sonata (DN8a) with
separate ECU and TCU.
4.
Refer to the DTC recorded in Step 1 and follow the repair procedure shown below:
P074100
P074300
P074800
P075300
P075800
P076300
P076800
P077300
P270900
DTC
Torque converter clutch system
Torque converter (T/C)
Pressure control solenoid (P/C)
Shift solenoid A (UD)
Shift solenoid B (46)
Shift solenoid C (37R)
Shift solenoid D (OD&LR)
Shift solenoid E (28)
Shift solenoid F (SSA)
PNC
46202A
46202A
46313A
46313B
46313C
46313C
46313B
46313C
46313D
REPAIR PROCEDURE
Go to Step 5 and replace the related
solenoid and valve body harness
5.
Record the preset radio stations.
Remove the battery and battery tray.
6.
Remove the undercover below the transmission.
Lift the vehicle on a hoist.
7.
If necessary to access the solenoids, drain the radiator and remove the lower radiator hose
from the radiator.
Drain the ATF.
8.
Disconnect the harness from the transmission.
Remove the bolt that secures the tab and push
the harness connector into the transmission.
Disconnect the vent hose on the top of the oil
pan.
TSB #: 22-AT-005H
Page 3 of 10
AUTOMATIC TRANSAXLE SOLENOID DTC P074100, P074300,
P074800, P075300, P075800, P076300, P076800, P077300 & P270900
Remove 14 oil pan bolts and remove the pan.
SUBJECT:
9.
CAUTION
Use a rubber hammer to tap the oil
pan cover on a corner until the cover
is loose.
10. Remove 6 bolts to the harness and 1 bolt to
the oil temperature sensor.
Pull the harness outward and move the
harness out of position.
11. Remove the bolt that secures the detent spring
and remove the spring.
Torque: 8~11 lb.ft (1.2~1.5 kgf.m/10~13 N.m)
TSB #: 22-AT-005H
Page 4 of 10
SUBJECT:
AUTOMATIC TRANSAXLE SOLENOID DTC P074100, P074300,
P074800,,P075300, P075800, P076300, P076800, P077300 & P270900
12. Remove 9 valve body bolts in order from the
outermost bolts to the innermost bolts.
Remove the valve body.
CAUTION
Place the valve body on a clean paper
towel. Placing the valve body on a rag
may cause lint to enter the valve body.
13. Pull the gray tab up and then press the tab to
disconnect the harness from the input speed
sensor.
Remove the harness and install a new
harness.
Reconnect the new harness to the input speed
sensor.
14. Record the 8-digit code on the solenoid.
15. Refer to the DTC recorded in Step 1 and
replace the related solenoid.
DTC
P074100
P074300
P074800
P075300
P075800
P076300
P076800
P077300
P270900
TC
TC
PC
UD
46
37R
OD&LR
28
SSA
TSB #: 22-AT-005H
SOLENOID
TC clutch
TC solenoid
Pressure control
Shift solenoid A (UD)
Shift solenoid B (46)
Shift solenoid C (37R)
Shift solenoid D (OD&LR)
Shift solenoid E (28)
Shift solenoid F (SSA)
28
UD
46
OD&LR
37R
SSA
TC
PC
Page 5 of 10
AUTOMATIC TRANSAXLE SOLENOID DTC P074100, P074300,
P074800, P075300, P075800, P076300, P076800, P077300 & P270900
16. For 28, 46, 37R, UD, OD&LR solenoids:
SUBJECT:
Remove two bolts to the upper solenoid
support. Remove the support.
Use a magnet to remove the pin for the
solenoid to be replaced.
Remove the solenoid and install a new
solenoid.
Reinstall the pin.
Reinstall the support and tighten to
specification.
Torque: 7~9 lb.ft (1.0~1.2 kgf.m/10~12 N.m)
28
UD
46
OD&LR
37R
17. For SSA, TC and PC solenoids:
Use a 5mm hex socket and remove 3 Allen
bolts that secure the solenoid support.
Remove the support.
Remove the solenoid and install a new
solenoid.
Reinstall the support and tighten the Allen
bolts.
18. Confirm two O-rings are installed correctly in
the case.
TSB #: 22-AT-005H
Page 6 of 10
SUBJECT:
AUTOMATIC TRANSAXLE SOLENOID DTC P074100, P074300,
P074800,,P075300, P075800, P076300, P076800, P077300 & P270900
19. Align the manual shaft to the shift lever and
install the valve body.
20. Install the valve body bolts and torque the bolts
in order from the innermost bolts to the
outermost bolts.
Torque: 7~9 lb.ft (1.0~1.2 kgf. m/10~12 N.m)
21. Reinstall the bolt that secures the detent spring
and tighten the bolt to specification.
Torque: 8~11 lb.ft (1.2~1.5 kgf.m/10~13 N.m)
TSB #: 22-AT-005H
Page 7 of 10
SUBJECT:
AUTOMATIC TRANSAXLE SOLENOID DTC P074100, P074300,
P074800, P075300, P075800, P076300, P076800, P077300 & P270900
22. Reconnect the harness to the solenoids and
install the temperature sensor.
Install 6 bolts to the harness and 1 bolt to the
oil temperature sensor and torque to
specification.
Torque: 7~9 lb.ft (1.0~1.2 kgf.m/10~12 N.m)
23. Install a new gasket to the oil pan and reinstall
the pan.
Install 14 bolts to the pan and tighten the bolts
to specification.
Torque: 8~10 lb.ft (1.2~1.4 kgf.m/12~13 N.m)
24. Reinstall the lower radiator hose. Add ethylene glycol engine coolant to the radiator and check
the level according to the appropriate shop manual, “Engine” Section.
25. Reconnect the battery.
Input the radio stations recorded in Step 5.
TSB #: 22-AT-005H
Page 8 of 10
SUBJECT:
AUTOMATIC TRANSAXLE SOLENOID DTC P074100, P074300,
P074800,,P075300, P075800, P076300, P076800, P077300 & P270900
26. Remove the transaxle fill plug.
Use a funnel to add approximately 5~6 quarts
of SP4-M ATF through the fill plug opening.
Reinstall the fill plug.
Attach the GDS and select Data Analysis, A/T
menu and Oil Temperature Sensor.
Start the engine and shift to Park. When the
ATF is 122°F~140°F (50~60°C), remove the
level checking plug. The level is correct when
oil flows out of the level checking plug in a thin
steady stream.
Collect and dispose of any excess fluid in
accordance with local regulations.
27.
Clear the DTC and test drive the vehicle for two key-on/key-off driving cycles, including
1-2-3-4-5-6-7-8 upshifts and 8-7-6-5-4-3-2-1 downshifts.
If the DTC returns, perform the following repairs.
DTC
P074100
P074300
P074800
P075300
P075800
P076300
P076800
P077300
P270900
REPAIR PROCEDURE
Replace the transmission
Replace the control wiring harness between the PCM or TCU and
transmission.
If the solenoid DTC does not return, return the vehicle to the customer.
If the solenoid DTC returns again, replace the PCM or TCU.
NOTE: All listed vehicles have a PCM (integrated ECU/TCU) except Sonata
(DN8a) with separate ECU and TCU.
Solenoid Oil Pressure Data Characteristics Input:
NOTICE
This procedure is necessary only for the following solenoids: UD, 37R, OD&LR, 28
and 46.
28. Select S/W Management, Automatic
Transaxle and Oil Pressure Characteristics
Input (Solenoid valve Replacement). Select
OK and follow the prompts.
Select the type of solenoid from the drop-down
menu. Select OK.
TSB #: 22-AT-005H
Page 9 of 10
SUBJECT:
AUTOMATIC TRANSAXLE SOLENOID DTC P074100, P074300,
P074800, P075300, P075800, P076300, P076800, P077300 & P270900
29. Input the 8-digit code recorded in Step 14 in
the blank spaces in the GDS. Select OK.
Input the 8 digit code again and select OK.
The GDS will confirm the procedure was
completed.
30. Drive the vehicle for two key cycles to confirm the transmission shifts correctly and no DTC are
set.
TSB #: 22-AT-005H
Page 10 of 10
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TSB/Document ID: 22-AT-005H
Replacement Service Bulletin Number:
MFR Communication Date: 2022-04-28
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN
MFR Component System:
MFR Component Subsystem:
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