21-01-075H

GROUP
CAMPAIGN
DATE
Technical Service Bulletin
SUBJECT:
DECEMBER, 2021
NUMBER
21-01-075H
MODEL(S)
SONATA (DN8a)
SANTA FE (TMa)
TUCSON (NX4/NX4a)
DTC P2074XX ECM UPDATE (SERVICE CAMPAIGN T7M)
 IMPORTANT
*****Dealer Stock and Retail Vehicles*****
Dealers must perform this Service Campaign on all affected vehicles prior to customer retail
delivery and whenever an affected vehicle is in the shop for any maintenance or repair.
When a vehicle arrives at the Service Department, access Hyundai Motor America's "Vehicle
Information" screen via WEBDCS to identify open Campaigns/Recalls.
Description:
Certain 2020-22MY Sonata (DN8a), 2021-22MY Santa Fe (TMa), and 2022MY Tucson (NX4/NX4a)
vehicles equipped with 2.5L engine may exhibit a MIL with DTC(s):
• P2074: Mass Airflow Sensor Plausibility
• P2074F0: Manifold Absolute Pressure/Mass Air Flow - Throttle Position Correlation at Lower
Load
• P2074F1: Manifold Absolute Pressure/Mass Air Flow - Throttle Position Correlation at
Medium or High Load
Secondary DTC(s) below may also be stored:
• C136081: ESP Irreversible Error
• C161308: CAN Signal Error EMS
• C161386: CAN Signal Error EMS
• C169381: Blind-Spot Collision Warning – CAN signal failure - ESC
• C174181: ESC Not Available VSM (Check ESC)
• C183586: CAN Message Failure ESC/IEB
Vehicles diagnosed with DTC(s) may also experience reduced engine performance and limited
power reduction mode. The ECM software revises the logic to accurately detect the amount of air
the engine is receiving.
Applicable Vehicle: Certain vehicles equipped with 2.5L GDI engines:
• 2020-22MY Sonata (DN8a)
• 2021-22MY Santa Fe (TMa)
• 2022MY Tucson (NX4/NX4a)
GDS Information:
System Selection: ENGINE CONTROL MODULE (ECM)
#Event
Description
749*
NX4 DIAGNOSIS IMPROVED LOGIC (P2074)
750*
NX4a DIAGNOSIS IMPROVED LOGIC (P2074)
766*
DN8a – ECU LOGIC IMPROVEMENT (P2074)
767*
TMa – ECU LOGIC IMPROVEMENT (P2074)
(*or use a later available event as listed in the GDS-M ECU Update screen if one is available.)
Circulate To: Service Manager, Warranty Manager, Service Advisors, Technicians, Fleet Repair
DTC P2074XX ECM UPDATE (SERVICE CAMPAIGN T7M)
SUBJECT:
Warranty Information:
Model
Sonata
(DN8a)
Santa Fe
(TMa)
Tucson
(NX4/NX4a)
Op. Code
Operation
Op. Time
10D208R2
Causal Part
Nature
Cause
S21
ZZ3
S21
ZZ3
39101-2SDA0
ECM UPGRADE
0.3 M/H
10D208R3
39110-2S059
10D208R0
39110-2S101
(NX4)
39110-2S161
(NX4a)
ECM UPGRADE
0.3 M/H
NOTE 1: Submit Claim on Campaign Claim Entry Screen.
NOTE 2: If a part that is not covered by this campaign is found in need of replacement while
performing this Service Campaign and the affected part is still under warranty, submit a separate
warranty claim using the same Repair Order. If the affected part is out of warranty, submit a Prior
Approval Request for goodwill consideration prior to performing the work.
Service Procedure:
1. Perform GDS Mobile software update per TSB 15-GI-001.
2. After successful completion of ECM software update, check for Diagnostic Trouble Codes in
ALL menus and erase any DTC.
3. Confirm normal vehicle operation.
NOTICE
You must initially perform GDS-M ECM Update in Auto Mode.
If the ECM Update starts but then fails in Auto Mode, perform the update in Manual Mode to
recover.
!
WARNING
GDS-M Vehicle Battery Low Voltage Warning:
When the vehicle battery is lower than 12 volts, the GDS-M will trigger a Low Battery Voltage
Warning. If this Warning occurs,
A. Connect the battery to a fully charged battery jump pack or GR8 charger using “Power
Supply Mode” to continue the software update.
OR
B. Select “BACK” to exit the SW update. Then, start the engine and idle with the headlights
on for 20 minutes. Return to the SW update after charging the battery.
TSB #: 21-01-075H
Page 2 of 6
SUBJECT:
DTC P2074XX ECM UPDATE (SERVICE CAMPAIGN T7M)
SUBJECT:
ROM ID Information Table:
MODEL
Model
Year
2020
Sonata
(DN8a)
2021
2022
ECU P/No.
OLD
NEW
39101-2SDA0
DNBVN5GMCCXXXDAA
DNBVN5GMCCXXXDBB
DNBVN5GMCCXXXDCA
DNBVN5GMCCXXXG2F
DNBVN5GMCCXXXG2G
39102-2SDB0
DNBVN5GMC3XXXDAA
DNBVN5GMC3XXXDBB
DNBVN5GMC3XXXDCA
DNBVN5GMC3XXXG2F
DNBVN5GMC3XXXG2G
39103-2SDE0
DNCVN5GMCCXXXF0A
DNCVN5GMCCXXXG2F
DNCVN5GMCCXXXG2G
39104-2SDF0
DNCVN5GMC3XXXF0A
DNCVN5GMC3XXXG2F
DNCVN5GMC3XXXG2G
39100-2SDG0
DNCVN5GMCCXXXG2A
DNCVN5GMCCXXXG2C
39100-2SDH0
DNCVN5GMCCXXXG2B
DNCVN5GMC3XXXG2C
39100-2SDJ0
DNDVN5GMCCXXXJ1A
DNDVN5GMCCXXXJ1B
39100-2SDK0
DNDVN5GMC3XXXJ1A
DNDVN5GMC3XXXJ1B
39110-2S059
TACVN5GMH3XXXH0A
TACVN5GMH3XXXG2C
TACVN5GMH3XXXH0B
39110-2S067
TACVN5GMI3XXXH0A
TACVN5GMI3XXXG2C
TACVN5GMH3XXXH0B
39110-2S060
TACVN5GSH3XXXH0A
TACVN5GSH3XXXG2C
TACVN5GSH3XXXH0B
39110-2S068
TACVN5GSI3XXXH0A
TACVN5GSI3XXXG2C
TACVN5GSH3XXXH0B
39110-2S092
TADVN5GMH3XXXJ1A
TADVN5GMH3XXXJ1B
39110-2S093
TADVN5GMH3XXXJ1A
TADVN5GMH3XXXJ1B
39110-2S094
TADVN5GSH3XXXJ1A
TADVN5GSH3XXXJ1B
39110-2S095
TADVN5GSH3XXXJ1A
TADVN5GSH3XXXJ1B
39100-2S105
NXDWD5GMAXXXXJ0A
NXDWD5GMAXXXXJ1A
NXDWD5GMAXXXXJ1B
39100-2S107
NXDWD5GMCXXXXJ0A
NXDWD5GMCXXXXJ1A
NXDWD5GMCXXXXJ1B
39100-2S119
NXDWD5GKAXXXXJ1A
NXDWD5GKAXXXXJ1B
39100-2S120
NXDWD5GKCXXXXJ1A
NXDWD5GKCXXXXJ1B
39100-2S113
NXDWD5GSAXXXXJ0A
NXDWD5GSAXXXXJ1A
NXDWD5GSAXXXXJ1B
2021
Santa Fe
(TMa)
2022
Tucson
(NX4)
- (VIN
begins
with “K”)
2022
ROM ID
TSB #: 21-01-075H
Page 3 of 6
SUBJECT:
DTC P2074XX ECM UPDATE (SERVICE CAMPAIGN T7M)
SUBJECT:
39100-2S114
Tucson
(NX4a)
- (VIN
begins
with “5”)
NXDWD5GSCXXXXJ0A
NXDWD5GSCXXXXJ1A
NXDWD5GSCXXXXJ1B
39100-2S115
NXDWD5GMJXXXXJ0A
NXDWD5GMJXXXXJ1A
NXDWD5GMJXXXXJ1B
39100-2S116
NXDWD5GMKXXXXJ0A
NXDWD5GMKXXXXJ1A
NXDWD5GMKXXXXJ1B
39100-2S121
NXDWD5GKJXXXXJ1A
NXDWD5GKJXXXXJ1B
39100-2S122
NXDWD5GKKXXXXJ1A
NXDWD5GKKXXXXJ1B
39100-2S117
NXDWD5GSJXXXXJ0A
NXDWD5GSJXXXXJ1A
NXDWD5GSJXXXXJ1B
39100-2S118
NXDWD5GSKXXXXJ0A
NXDWD5GSKXXXXJ1A
NXDWD5GSKXXXXJ1B
39100-2S161
NADWN5GMFXXXXJ0A
NADWN5GMFXXXXJ1A
NADWN5GMFXXXXJ1B
39100-2S162
NADWN5GMGXXXXJ0A
NADWN5GMGXXXXJ1A
NADWN5GMGXXXXJ1B
39100-2S169
NADWN5GMJXXXXJ0A
NADWN5GMJXXXXJ1A
NADWN5GMJXXXXJ1B
39100-2S163
NADWN5GMHXXXXJ0A
NADWN5GMHXXXXJ1A
NADWN5GMHXXXXJ1B
39100-2S164
NADWN5GMIXXXXJ0A
NADWN5GMIXXXXJ1A
NADWN5GMIXXXXJ1B
39100-2S170
NADWN5GMKXXXXJ0A
NADWN5GMKXXXXJ1A
NADWN5GMKXXXXJ1B
39100-2S165
NADWN5GSFXXXXJ0A
NADWN5GSFXXXXJ1A
NADWN5GSFXXXXJ1B
39100-2S166
NADWN5GSGXXXXJ0A
NADWN5GSGXXXXJ1A
NADWN5GSGXXXXJ1B
39100-2S175
NADWN5GSJXXXXJ0A
NADWN5GSJXXXXJ1A
NADWN5GSJXXXXJ1B
39100-2S167
NADWN5GSHXXXXJ0A
NADWN5GSHXXXXJ1A
NADWN5GSHXXXXJ1B
39100-2S168
NADWN5GSIXXXXJ0A
NADWN5GSIXXXXJ1A
NADWN5GSIXXXXJ1B
39100-2S176
NADWN5GSKXXXXJ0A
NADWN5GSKXXXXJ1A
NADWN5GSKXXXXJ1B
39100-2S181
NADWN5GKFXXXXJ1A
NADWN5GKFXXXXJ1B
39100-2S182
NADWN5GKGXXXXJ1A
NADWN5GKGXXXXJ1B
39100-2S183
NADWN5GKJXXXXJ1A
NADWN5GKJXXXXJ1B
39100-2S184
NADWN5GKHXXXXJ1A
NADWN5GKHXXXXJ1B
39100-2S185
NADWN5GKIXXXXJ1A
NADWN5GKIXXXXJ1B
39100-2S186
NADWN5GKKXXXXJ1A
NADWN5GKKXXXXJ1B
2022
TSB #: 21-01-075H
Page 4 of 6
SUBJECT:
DTC P2074XX ECM UPDATE (SERVICE CAMPAIGN T7M)
SUBJECT:
Manual Mode Password Information Table:
MODEL
Sonata
(DN8a)
Santa Fe
(TMa)
Tucson
(NX4)
- (VIN
begins
with “K”)
Tucson
(NX4a)
- (VIN
begins
with “5”)
EVENT #
#766
#767
#749
#750
MENU
PASSWORD
DN8a 2.5GDI 39101-2SDA0
6601
DN8a 2.5GDI 39102-2SDB0
6602
DN8a 2.5GDI 39103-2SDE0
6603
DN8a 2.5GDI 39104-2SDF0
6604
DN8a 2.5GDI 39100-2SDG0
6605
DN8a 2.5GDI 39100-2SDH0
6606
DN8a 2.5GDI 39100-2SDJ0
6607
DN8a 2.5GDI 39100-2SDK0
6608
TMa 2.5GDI 39110-2S059/2S067
0596
TMa 2.5GDI 39110-2S060/2S068
0608
TMa 2.5GDI 39110-2S092/2S093
0923
TMa 2.5GDI 39110-2S094/2S095
0945
NX4 2.5GDI 39100-2S105
5012
NX4 2.5GDI 39100-2S107
7012
NX4 2.5GDI 39100-2S119
9112
NX4 2.5GDI 39100-2S120
0212
NX4 2.5GDI 39100-2S113
3112
NX4 2.5GDI 39100-2S114
4112
NX4 2.5GDI 39100-2S115
5112
NX4 2.5GDI 39100-2S116
6112
NX4 2.5GDI 39100-2S121
1212
NX4 2.5GDI 39100-2S122
2212
NX4 2.5GDI 39100-2S117
7112
NX4 2.5GDI 39100-2S118
8112
NX4a 2.5GDI 39100-2S161
2161
NX4a 2.5GDI 39100-2S162
2162
NX4a 2.5GDI 39100-2S169
2169
NX4a 2.5GDI 39100-2S163
2163
NX4a 2.5GDI 39100-2S164
2164
NX4a 2.5GDI 39100-2S170
2170
NX4a 2.5GDI 39100-2S165
2165
NX4a 2.5GDI 39100-2S166
2166
NX4a 2.5GDI 39100-2S175
2175
TSB #: 21-01-075H
Page 5 of 6
SUBJECT:
SUBJECT:
DTC P2074XX ECM UPDATE (SERVICE CAMPAIGN T7M)
NX4a 2.5GDI 39100-2S167
2167
NX4a 2.5GDI 39100-2S168
2168
NX4a 2.5GDI 39100-2S176
2176
NX4a 2.5GDI 39100-2S181
2181
NX4a 2.5GDI 39100-2S182
2182
NX4a 2.5GDI 39100-2S183
2183
NX4a 2.5GDI 39100-2S184
2184
NX4a 2.5GDI 39100-2S185
2185
NX4a 2.5GDI 39100-2S186
2186
TSB #: 21-01-075H
Page 6 of 6
SUBJECT: