5NP-M4L8P-03

GROUP
CAMPAIGN
DATE
Technical Service Bulletin
FEBRUARY 2017
NUMBER
17-01-010-1
MODEL(S)
Santa Fe (NC)
Tucson (TL)
ELECTRONIC STABILITY CONTROL (ESC) MODULE
LOT # INSPECTION AND REPAIR (SERVICE CAMPAIGN T1J)
SUBJECT:
This TSB supersedes 17-01-010 to clarify the tool type must be Torx Plus.
 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 “Warranty
Vehicle Information” screen via WEBDCS to identify open Campaigns.
Description: This bulletin describes the service procedure to inspect the lot number of the electronic
stability control (ESC) module of certain Santa Fe (NC) and Tucson (TL) vehicles. Parts from the
affected LOT number may have damaged bolts which hold the ECU to the solenoid block. Vehicles
with affected LOT number ESC modules must be inspected for damaged bolts. If the bolts are intact,
they must be replaced. If the bolts are damaged, the HECU assembly must be replaced.
Applicable Vehicles:
Certain 2017MY Santa Fe (NC) vehicles
Certain 2017MY Tucson (TL) vehicles
Circulate To: General Manager, Service Manager, Parts Manager, Warranty Manager, Service
Advisors, Technicians, Body Shop Manager, Fleet Repair
ESC MODULE LOT # INSPECTION AND REPAIR (SERVICE CAMPAIGN T1J)
SUBJECT:
Parts Information:
PART
NAME
FIGURE / PART NUMBER
REMARK
1 part number
required per vehicle
(2 bolts)
BOLT
58960-HEXBOLT
HECU
58920-B8AC0 (NC)
58920-B8BC0 (NC)
58920-D3100 (TL)
ABS/ESC
ABS/ESC/SCC/AEB
Need about 1.5
bottles per vehicle
when replacing
HECU
Brake Fluid
Part number: 00232-19053
Tools Required:
Torque Wrench

TP15 Bit
1/4” drive with torque setting range
from 20 inch pounds minimum.
 TP15 Torx Plus bit
(TP15 on left, standard Torx T15 on right)
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ESC MODULE LOT # INSPECTION AND REPAIR (SERVICE CAMPAIGN T1J)
1/4” drive extensions

Bit Holder
Various lengths, depending on TP15
bit length


1/4” drive bit holder for 1/4" hex shank
Holds the T15 bit securely
Warranty Information:
Model
Op Code
Santa Fe (NC)
Operation
Op.
Time
HECU Lot No. Inspection –
PASS ONLY
0.2
M/H
60C117R1
HECU Lot No. Inspection, Bolt
Inspection and Replacement
0.6
M/H
60C117R2
HECU Lot No. Inspection, Bolt
Inspection and HECU
Replacement
1.6
M/H
60C117R3
HECU Lot No. Inspection, Bolt
Inspection and Replacement
2.3
M/H
60C117R0
Tucson (TL)
Tucson (TL)
Santa Fe
(NC)
Causal Part
Nature Cause
Code Code
58920-B8BC0
(NC)
58920-D3100
(TL)
58920-D3100
I3B
ZZ1
58920-B8BC0
HECU Lot No. Inspection, Bolt
2.5
60C117R4
Inspection and HECU
M/H
Replacement
NOTE 1: Submit Claim on Campaign Claim Entry Screen
NOTE 2: Brake fluid will be reimbursed via sublet amount on the campaign claim.
NOTE 3: If a part is found in need of replacement while performing Service Campaign T1J and the
affected part is still under warranty, submit a separate 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.
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ESC MODULE LOT # INSPECTION AND REPAIR (SERVICE CAMPAIGN T1J)
Service Procedure Flow Chart
Vehicle in
LOT # found in
table?
NO
Release vehicle
YES
HECU bolt inspection
Bolts damaged?
NO
Replace Bolts
YES
Replace HECU
Bleed calipers, GDS HCU bleeding, bleed calipers
again, and perform GDS ESC calibrations
Service Procedure HECU Lot Number Inspection:
1.
Open the hood and locate the ESC module. Find the label, as shown in the table below.
Model
ESC Module Location
Santa Fe
(NC),
Tucson(TL)
*ESC module is located on the passenger side firewall in the engine bay.
2.
Check the first 3 digits of the LOT number. These digits indicate the part production date.
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ESC MODULE LOT # INSPECTION AND REPAIR (SERVICE CAMPAIGN T1J)
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3.

If the first 3 digits of the LOT number are NOT found in the applicable tables below,
no further action is required. Submit a claim using labor operation code 60C117R0.
Release the vehicle for retail sale if still in dealer stock.

If the first 3 digits of the LOT number are found in the applicable tables below,
continue to the next service procedure to inspect the bolts (page 5 for Santa Fe,
page 14 for Tucson).
LOT # Table for Santa Fe (NC):
LOT #
Production
Date
LJ2
LJ3
LJ4
LJ5
LKA
LKB
LKC
LKD
LKE
LKF
LKG
LKH
LKI
LKJ
10/28
10/29
10/30
10/31
11/1
11/2
11/3
11/4
11/5
11/6
11/7
11/8
11/9
11/10
LOT # Table for Tucson (TL):
LOT #
Production
Date
LJ2
LJ3
LJ4
LJ5
LKA
LKB
LKC
10/28
10/29
10/30
10/31
11/1
11/2
11/3
NOTICE
Use the table below to decode the LOT # first 3 digits
1st digit means YEAR
H : 2012, I : 2013, J : 2014, K : 2015, L : 2016
2nd digit means MONTH
A : January ~ L : December
3rd digit means DAY
A ~ Z : 1 ~ 26th day of the month
1 ~ 5 : 27 ~ 31st day of the month
Service Procedure: Santa Fe (NC) HECU Bolt Inspection and HECU Replacement
1.
Open the hood and remove the engine
cover.
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ESC MODULE LOT # INSPECTION AND REPAIR (SERVICE CAMPAIGN T1J)
2.
Remove the fastener clips, and the air intake
duct.
3.
Disconnect the negative battery terminal.
Tightening torque:
3.9 ~ 5.8 N.m (0.4 ~ 0.6 kgf.m, 2.8 ~ 4.3 lb-ft)
Remove the battery mounting bolt and
bracket.
Tightening torque:
8.8 ~ 13.7 N.m (0.9 ~ 1.4 kgf.m, 6.5 ~ 10.1 lb-ft)
Move the battery forwards, towards the front
of the vehicle to create clearance for the air
cleaner box.
4.
Loosen and remove the air cleaner box
mounting bolts.
Tightening torque:
7.8 ~ 9.8 N.m (0.8 ~ 1.0 kgf.m, 5.7 ~ 7.3 lb-ft)
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5.
ESC MODULE LOT # INSPECTION AND REPAIR (SERVICE CAMPAIGN T1J)
Disconnect the barometric pressure sensor
connector.
Remove the brake vacuum hose.
Loosen the intake hose clamps at the air
cleaner box, and at the throttle body.
Tightening torque:
2.9 ~ 4.9 N.m (0.3 ~ 0.5 kgf.m, 2.1 ~ 3.6 lb-ft)
6.
Disengage the wire harness cable tie for the
barometric pressure sensor by releasing the
cable tie with a flat screwdriver, and pulling
the opposite side with pliers.
7.
Remove the air cleaner box from the vehicle.
Remove the intake hose from the throttle
body, and set aside out of the way.
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8.
ESC MODULE LOT # INSPECTION AND REPAIR (SERVICE CAMPAIGN T1J)
Remove the 3 bolts for the engine wiring
harness.
Tightening torque:
9.8 ~ 10.7 N.m (1.0 ~ 1.1 kgf.m, 7.2 ~7.9 lb-ft)
9.
Disconnect the sensors on the driver’s side
of the intake manifold, as shown.
NOTICE
Remove this connector by
prying the blue tab upwards,
then squeezing the release and
pulling.
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ESC MODULE LOT # INSPECTION AND REPAIR (SERVICE CAMPAIGN T1J)
10.
Disengage the harness cable tie using the
method described in step 6.
11.
Disengage the harness cable tie using a pair
of needle nose pliers to squeeze the sides of
the clip, and then pushing it out.
12.
Remove the connectors on the passenger
side of the intake manifold.
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ESC MODULE LOT # INSPECTION AND REPAIR (SERVICE CAMPAIGN T1J)
13.
Disengage the wire harness cable tie using
needle nose pliers, as before.
14.
Move the wiring harness away from the
intake manifold, towards the front of the
vehicle.
15.
Remove the bolts/nuts from the upper intake
manifold.
LONG bolts (circled in red)
Tightening torque:
9.8 ~ 10.7 N.m (1.0 ~ 1.1 kgf.m, 7.2 ~7.9 lb-ft)
Short bolts and nuts (circled in yellow)
Tightening torque:
9.8 ~ 11.7 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.6 lb-ft)
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16.
ESC MODULE LOT # INSPECTION AND REPAIR (SERVICE CAMPAIGN T1J)
Remove the bolt on back of the upper intake
manifold, located by the engine bay wall.
Tightening torque:
27.4 ~ 31.3 N.m (2.8 ~ 3.2 kgf.m, 20.2 ~ 23.1
lb-ft)
17.
Lift the upper intake manifold, and turn it
about 30 degrees counter-clockwise.
Set the upper manifold aside, making space
to access the HECU.
Place a clean shop towel over the intake
ports.
18.
Remove the two HECU hex bolts with a long
TP15 bit.
Tightening torque:
3.2 ~ 3.8 Nm (0.3 ~ 0.4 kgfm, 2.3 ~ 2.8 lb-ft,
27.6 ~ 33.6 inch-lb)
NOTICE
It may be necessary to slightly
push the wire harness leading
to the passenger compartment
to gain access to the rear bolt.
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ESC MODULE LOT # INSPECTION AND REPAIR (SERVICE CAMPAIGN T1J)
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Upon removal, inspect the bolts for damage:

If the bolt heads are damaged,
replace the HECU continue to step
19.

If the bolt heads are not damaged,
replace the bolts with new ones and
reassemble the vehicle in reverse
order of removal to complete the
service procedure. Use labor
operation code 60C117R3.
NOTICE
If new bolts are needed, use a
small inch-lb torque wrench to
install and torque the bolts to
spec. 27.6 ~ 33.6 inch-lb.
Tightening torque:
3.2 ~ 3.8 Nm (0.3 ~ 0.4 kgfm, 2.3 ~
2.8 lb-ft, 27.6 ~ 33.6 inch-lb)
19.
Continue from this step only if the HECU hex
bolts are damaged.
Remove the mounting bolt for the horn, and
set the horn assembly aside out of the way.
Tightening torque:
9.8 ~ 11.7 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.6 lb-ft)
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20.
ESC MODULE LOT # INSPECTION AND REPAIR (SERVICE CAMPAIGN T1J)
Loosen and disconnect the 6 brake lines
going to the HECU.
Brake tubes
BRAKE TUBE (4) Tightening torque:
13.7 ~ 16.6 N.m (1.4 ~ 1.7 kgf.m, 10.1 ~12.2 lbft)
ESC TUBE (2) Tightening torque:
18.6 ~ 22.5 N.m (1.9 ~ 2.3 kgf.m, 13.7 ~16.6 lbft)
ESC tubes
NOTICE
Clean any spilled brake fluid
immediately with a rag and
water.
21.
Disconnect the HECU connector by pressing
the tab inwards, then pulling the release
lever.
22.
Remove the 2 HECU assembly mounting
nuts, and remove the HECU from the
vehicle.
Tightening torque:
16.7 ~ 25.5 N.m (1.7 ~ 2.6 kgf.m, 12.3 ~ 18.8
lb-ft)
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23.
ESC MODULE LOT # INSPECTION AND REPAIR (SERVICE CAMPAIGN T1J)
Remove the mounting bracket from the
HECU, and transfer onto the new HECU.
Tightening torque:
10.8 ~ 13.7 N.m (1.1 ~ 1.4 kgf.m, 8.0 ~ 10.1 lbft)
24.
Install the new HECU assembly into the vehicle, and install the rest of the removed
components in reverse order of removal.
25.
Perform the Brake Bleeding and the HECU Calibrations Following HECU Replacement
procedures, starting on page 20. Use labor operation code 60C117R4.
Service Procedure: Tucson (TL) HECU Bolt Inspection and HECU Replacement
1.
Open the hood, and locate the HECU (rear
passenger side of the engine compartment).
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2.
Remove the two HECU hex bolts with a long
TP15 bit.
Tightening torque:
3.2 ~ 3.8 N.m (0.3 ~ 0.4 kgf.m, 2.3 ~ 2.8 lb-ft,
27.6 ~ 33.6 inch-lb)
3.
Upon removal, inspect the bolts for damage:

If the bolt heads are damaged,
replace the HECU continue to step 4.

If the bolt heads are not damaged,
replace the bolts with new ones to
complete the service procedure. Use
labor operation code 60C117R1.
NOTICE
If new bolts are needed, use a
small inch-lb torque wrench to
install and torque the bolts to
spec. 27.6 ~ 33.6 inch-lb.
Tightening torque:
3.2 ~ 3.8 Nm (0.3 ~ 0.4 kgfm, 2.3 ~
2.8 lb-ft, 27.6 ~ 33.6 inch-lb)
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4.
ESC MODULE LOT # INSPECTION AND REPAIR (SERVICE CAMPAIGN T1J)
Continue from this step only if the HECU hex
bolts are damaged.
Disconnect the negative (-) battery terminal.
Tightening torque:
3.9 ~ 5.8 N.m (0.4 ~ 0.6 kgf.m, 2.8 ~ 4.3 lb-ft)
5.
Loosen the air conditioner tube mounting
bolt, located near the washer tank.
Tightening torque:
7.8 ~ 11.7 N.m (0.8 ~ 1.2 kgf. m, 5.7 ~8. 6 lb-ft)
6.
Loosen the air conditioner tube mounting
bolt, located near the HECU to create some
clearance to the HECU.
Tightening torque:
7.8 ~ 11.7 N.m (0.8 ~ 1.2 kgf. m, 5.7 ~8. 6 lb-ft)
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7.
ESC MODULE LOT # INSPECTION AND REPAIR (SERVICE CAMPAIGN T1J)
Loosen and disconnect the 6 brake lines
going to the HECU.
Brake tubes
BRAKE TUBE (4) tightening torque:
13.7 ~ 16.6 N.m (1.4 ~ 1.7 kgf.m, 10.1 ~12.2 lbft)
ESC TUBE (2) tightening torque:
18.6 ~ 22.5 N.m (1.9 ~ 2.3 kgf.m, 13.7 ~16.6 lbft)
ESC tubes
NOTICE
Clean any spilled brake fluid
immediately with a rag and
water.
8.
Unlock the HECU connector by pulling the
tab upwards, then pulling the release lever.
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9.
ESC MODULE LOT # INSPECTION AND REPAIR (SERVICE CAMPAIGN T1J)
Remove the HECU mounting nut.
Tightening torque:
19.6 ~ 29.4 N.m (2.0 ~ 3.0 kgf.m, 14.4 ~ 21.6
lb-ft)
10.
Remove the HECU mounting bolts.
Tightening torque:
19.6 ~ 29.4 N.m (2.0 ~ 3.0 kgf.m, 14.4 ~ 21.6
lb-ft)
11.
Remove the HECU from the vehicle.
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12.
ESC MODULE LOT # INSPECTION AND REPAIR (SERVICE CAMPAIGN T1J)
Loosen the HECU bracket mounting bolts.
Tightening torque:
10.7 ~ 13.7 N.m (1.1 ~ 1.4 kgf.m, 7.9 ~ 10.1 lbft)
13.
Install the existing bracket to new HECU.
Tightening torque:
10.7 ~ 13.7 N.m (1.1 ~ 1.4 kgf.m, 7.9 ~ 10.1 lbft)
14.
Install the new HECU assembly into the vehicle, and install the rest of the removed
components in reverse order of removal.
15.
Perform the Brake Bleeding and the HECU Calibrations Following HECU Replacement
procedures, starting on page 20. Use labor operation code 60C117R2.
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Service Procedure: Brake Bleeding Procedure – All Models
1.
1.
2.
3.
4.
Lift the vehicle to bleed the brakes
Start at the right rear caliper
Remove the rubber bleeder cap
Attach a bleed line, and bleed out all
of the air.
5. Move to the left front caliper and
bleed out all of the air.
6. Move to the left rear caliper and bleed
out all of the air.
7. Move to the right front caliper and
bleed out all of the air.
NOTICE
Always keep the brake fluid reservoir
topped off. Do not let the level drop
below the MIN line.
2.
Connect a GDS (or G-Scan) tool to the
vehicle to perform the HCU Air Bleeding
Mode.
From the S/W Management screen, select
HCU Air Bleeding Mode.
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3.
Read the summary screen and then select
OK.
4.
Select OK when ready to begin.
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5.
The HECU motor will begin operating.
When the motor is operating, press and hold
the brake pedal.
When the motor stops operating, release the
brake pedal.
Continue this procedure for 60 seconds until
the process is complete.
6.
After the HCU Air Bleeding Mode is complete, perform step 1 of the service brakes
bleeding procedure again.
Service Procedure: HECU Calibrations Following HECU Replacement – All Models
1.
After HECU replacement and brake bleeding
has been completed, there are four
calibrations that must be done using a GDS
tool.
1)
2)
3)
4)
2.
Auto Detected Configuration
Longitudinal G Sensor Calibration
Steering Angle Sensor Calibration
Variant Coding
Start with Auto Detected Configuration.
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3.
Read the summary description and click OK
to continue.
4.
Read the conditions, and select Reset to
continue.
5.
Select OK to confirm reset completion.
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ESC MODULE LOT # INSPECTION AND REPAIR (SERVICE CAMPAIGN T1J)
6.
Select Longitudinal G Sensor Calibration..
7.
Read the summary description and click OK
to continue.
8.
Continue reading the summary description
and click OK to continue.
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ESC MODULE LOT # INSPECTION AND REPAIR (SERVICE CAMPAIGN T1J)
9.
Read the conditions, and select OK to
continue.
10.
Turn the ignition OFF for 10 seconds, then
back ON again.
Select OK to continue.
11.
Select Steering Angle Sensor (SAS)
Calibration.
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12.
Read the summary description and click OK
to continue.
13.
Read the conditions, and select Reset to
continue.
14.
With the ignition ON, engine not running,
select OK.
15.
Turn the ignition OFF for 10 seconds, then
back ON again.
Select OK to continue.
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ESC MODULE LOT # INSPECTION AND REPAIR (SERVICE CAMPAIGN T1J)
16.
Select Variant Coding.
17.
Read the summary description and click OK
to continue.
18.
Read the conditions, and select OK to
continue.
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19.
Select OK to continue.
20.
Select OK to complete calibration
procedures.
21.
Start engine to confirm normal operation.
Check and clear any DTCs. Verify no
warning lamps on in the instrument cluster.
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