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NHTSA ID Number: 10205046
Manufacturer Communication Number: 17NA345
Summary
This technical bulletin provides a procedure to reprogram the power steering control module to correct a condition of Loss of Steering Assist due to a software abnormality.
32 Affected Products
Vehicles
MAKE | MODEL | YEAR |
CADILLAC | ESCALADE | 2015-2017 |
CADILLAC | ESCALADE ESV | 2015-2017 |
CHEVROLET | SILVERADO 1500 | 2017-2018 |
CHEVROLET | SILVERADO 2500 | 2015-2018 |
CHEVROLET | SUBURBAN | 2015-2017 |
CHEVROLET | TAHOE | 2015-2017 |
GMC | SIERRA 2500 | 2015-2018 |
GMC | SIERRA DENALI | 2015-2018 |
GMC | YUKON | 2015-2017 |
GMC | YUKON XL | 2015-2017 |
Condition
Some customers may comment on a temporary loss of electric power steering (EPS) assist followed by a sudden return of EPS assist, particularly during low-speed turning maneuvers. The loss and sudden return of EPS assist typically happens within a 1 second period and is caused by an electrical/software issue.
Cause
This may be due to a sudden loss of voltage to the EPS system, the EPS turns off and then back on as the voltage returns when the EPS load is removed.
Correction
To prevent the sudden loss of assist, a revised EPS module software has been developed to reduce the severity of the toggling event. Dealers will reprogram the EPS module software.
Note: For vehicles that exhibit this condition or any of the following additional conditions, please refer to latest version of #18-NA-161: Steering Jerks Or Kicks Back / Reduced Power Steering Assist / Engine Stall / No Start / Service Stabilitrak / IPC / Radio / HVAC Goes Blank Various DTCs:
- Reduced or loss of power steering assist
- Steering wheel jerks or kicks back when turning
- Service Stabilitrak message with warning chime
- Engine stall
- IPC going blank or inoperative
- Radio/ICS going blank
- HVAC going blank
- Hood ajar message and/or dome lamps flash when shifting into reverse
- Alarm sounds when locking doors or door locks cycling
- Wipers continue to run for a short time after turning off and then stop/park in the incorrect location
- Any of the following DTCs: B1325, B124B, B124C, B127B, B127E, C0544, C0710, C0800, P0513, U0020, U0073, U0077, U0078, U0100, U0101, U0102, U0121, U0126, U0131, U0140, U0155, U0164, U0415, U0422, U0428, U0452, U1509, U150F and/or U15E1
SEOCONTENT-START
Service Bulletin Bulletin No.: 17-NA-345
Date: August, 2021
TECHNICAL
Subject: Steering Jerks, Kicks, Whips or Locks Up or Stiff Feel Effort in Cold Temperatures
Brand: Model:
Model Year: VIN: Engine: Transmission:
from to from to
Cadillac Escalade Models 2016 2017
See Break Points Chart
Below
All All
Chevrolet
Suburban
Tahoe Models
2016 2017 All All
Chevrolet Silverado (Light Duty) 2016 2018 All All
GMC Sierra (Light Duty) 2016 2018 All All
GMC Yukon Models 2016 2017 All All
Break Points Based on Build Location
Location From To
Arlington SOP 1GYS4DKJ3JR100207
Flint SOP 1GCUKREC0JF108264
Ft. Wayne SOP 1GCNKNEC1JZ134433
Silao SOP 3GTU2NECXJG143448
Involved Region or Country North America and Export Regions
Important: For 2014 Vehicles please check VIN status per Safety recall 17276. Execute
denoted action if VIN status is “open”.
Important: For 2015 Vehicles please check VIN status per Safety recall 18289. Execute
denoted action if VIN status is “open”.
Condition
Some customers may comment on a temporary loss of electric power steering (EPS)
assist followed by a sudden return of EPS assist, particularly during low-speed turning
maneuvers. The loss and sudden return of EPS assist typically happens within a 1
second period and is caused by an electrical/software issue.
Cause This may be due to a sudden loss of voltage to the EPS system, the EPS turns off and
then back on as the voltage returns when the EPS load is removed.
Page 2 August, 2021 Bulletin No.: 17-NA-345
Correction
To prevent the sudden loss of assist, a revised EPS module software has been
developed to reduce the severity of the toggling event. Dealers will reprogram the EPS
module software.
Note: For vehicles that exhibit this condition or any of the following additional conditions,
please refer to latest version of #18-NA-161: Steering Jerks Or Kicks Back / Reduced
Power Steering Assist / Engine Stall / No Start / Service Stabilitrak / IPC / Radio / HVAC
Goes Blank Various DTCs:
• Reduced or loss of power steering assist
• Steering wheel jerks or kicks back when turning
• Service Stabilitrak message with warning chime
• Engine stall
• IPC going blank or inoperative
• Radio/ICS going blank
• HVAC going blank
• Hood ajar message and/or dome lamps flash when shifting into reverse
• Alarm sounds when locking doors or door locks cycling
• Wipers continue to run for a short time after turning off and then stop/park in the
incorrect location
• Any of the following DTCs: B1325, B124B, B124C, B127B, B127E, C0544, C0710,
C0800, P0513, U0020, U0073, U0077, U0078, U0100, U0101, U0102, U0121,
U0126, U0131, U0140, U0155, U0164, U0415, U0422, U0428, U0452, U1509,
U150F and/or U15E1
Service Procedure
Caution: Before downloading the update files, be sure
the computer is connected to the internet through a
network cable (hardwired). DO NOT DOWNLOAD or
install the files wirelessly. If there is an interruption
during programming, programming failure or control
module damage may occur.
• Ensure the programming tool is equipped with the
latest software and is securely connected to the
data link connector. If there is an interruption
during programming, programming failure or
control module damage may occur.
• Stable battery voltage is critical during
programming. Any fluctuation, spiking, over
voltage or loss of voltage will interrupt
programming. Install a GM Authorized
Programming Support Tool to maintain system
voltage. Refer to www.gmdesolutions.com for
further information. If not available, connect a fully
charged 12 V jumper or booster pack
disconnected from the AC voltage supply. DO
NOTconnect a battery charger.
• Follow the on-screen prompts regarding ignition
power mode, but ensure that anything that drains
excessive power (exterior lights, HVAC blower
motor, etc) is off
• Clear DTCs after programming is complete.
Clearing powertrain DTCs will set the Inspection/
Maintenance (I/M) system status indicators to NO.
Important: The service technician always needs to
verify that the VIN displayed in the TLC left side drop
down menu and the top center window match the VIN
plate of the vehicle to be programmed prior to using
Service Programming System 2 (SPS2) for
programming or reprogramming a module.
• For the TLC application, service technicians need
to always ensure that the power mode (ignition) is
“ON” before reading the VIN from the vehicle’s
VIN master module and that they do not select a
VIN that is already in the TLC application memory
from a previous vehicle.
• If the VIN that shows up in the TLC top center
window after correctly reading the VIN from the
vehicle does not match the VIN plate of the
vehicle, manually type in the VIN characters from
the vehicle VIN plate into the TLC top center
window and use these for programming or
reprogramming the subject module with the
correct vehicle VIN and software and/or
calibrations.
• The Engine Control Module (ECM) is the master
module (for VIP vehicles) that TLC reads to
determine the VIN of the vehicle. If the VIN read
from the vehicle by TLC does not match the VIN
plate of the vehicle, the ECM also needs to be
reprogrammed with the correct VIN, software and
calibrations that match the vehicle’s VIN plate.
• The Body Control Module (BCM) is the master
module (for GEM vehicles) that TLC reads to
determine the VIN of the vehicle. If the VIN read
from the vehicle by TLC does not match the VIN
plate of the vehicle, the BCM also needs to be
reprogrammed with the correct VIN, software and
calibrations that match the vehicle’s VIN plate.
Caution: Be sure the VIN selected in the drop down
menu (1) is the same as the vehicle connected (2)
before beginning programming.
Bulletin No.: 17-NA-345 August, 2021 Page 3
5743643
Important: If the vehicle VIN DOES NOT match, the
message below will be shown
5877000
Page 4 August, 2021 Bulletin No.: 17-NA-345
5644477
5431207
Bulletin No.: 17-NA-345 August, 2021 Page 5
Important: Techline Connect and TIS2WEB screens
shown above.
Important: If the same calibration/software warning is
noted on the TLC or SPS Summary screen, select OK
and follow screen instructions. After a successful
programming event, the WCC is located in the Service
Programming System dialogue box of the SPS
Summary screen. No further action is required. Refer to
the Warranty section of the bulletin.
1. Reprogram the Power Steering Control Module.
Refer to Power Steering Control Module
Programming and Setup in SI.
5644478
Page 6 August, 2021 Bulletin No.: 17-NA-345
5431209
Note: The screenshots above are an example of
module programming and may not be indicative of the
specific module that is being programmed. Module
selection and VIN information have been blacked out.
Important: To avoid warranty transaction rejections,
you MUST record the warranty claim code provided on
the SPS Warranty Claim Code (WCC) screen shown
above on the job card. Refer to callout 1 above for the
location of the WCC on the SPS screen
2. Record SPS Warranty Claim Code on job card for
warranty transaction submission.
Parts Information
No parts are needed for this condition.
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation Description Labor Time
2810625 Power Steering Control Module Reprogramming with SPS Use Published Labor
Operation Time
Version 3
Modified Released November 03,2017
Revised May 29, 2018 – Revised to update information under the Correction.
Revised August 02, 2021 — Updated Title, Added Important Statements within Condition,
removed MY2015 as all MY 2015 vehicles are covered per Safety recall 18289.
SEOCONTENT-END
1 Associated Document
Manufacturer Communications
Bulletin No.: 17-NA-345
Date: August, 2021
https://www.nhtsa.gov/recalls?nhtsaId=10205046
MC-10205046-9999.pdf 164.729KB
NHTSA ID Number: 10139117
Manufacturer Communication Number: 17NA345
Summary
This technical bulletin provides a procedure to reprogram the power steering control module to correct a condition of Loss of Steering Assist due to a software abnormality.
1 Associated Document
Manufacturer Communications
Bulletin No.: 17-NA-345
Date: November, 2017
https://www.nhtsa.gov/recalls?nhtsaId=10139117
MC-10139117-9999.pdf 254.223KB
Reprogramming
GM Diagnostic/Programming (TIS2Web)
Approved J2534 Device with TIS2WEB can reprogram 1996 and later All GM Modules.
To obtain the latest electronic controller calibration information for your vehicle, go to https://tis2web.service.gm.com/tis2web and enter the vehicle's 17 character Vehicle Identification Number (VIN) and select 'Get CAL ID’.
You can then compare the latest part number with the actual number installed on the vehicle to determine if a reprogram is needed.
The Service Programming System (SPS) application is part of the TIS2Web system. To program an ECU, the SPS application must communicate with the vehicle control modules using the proper J2534 programming interface tool.
The following are the supported interface tools:
The Tech 2 supports model years 1996 and beyond. With the addition of the CAN Diagnostic Interface (CANdi) module, Tech 2 is fully backward compatible with current Tech 2 functionality and operates transparently when diagnosing non-CAN-equipped vehicles.
Servicing the next generation Global A vehicles will require the diagnostic software, GDS2, Global Diagnostic System 2 running on a local PC device while the MDI is connected to the vehicle. The GM MDI is the Global Diagnostic tool for future vehicles starting with Global A vehicles.
The GM MDI was introduced in the fall of 2007 for Pass-Thru programming and offers faster programming speed. It can be used to perform Pass-Thru programming on all vehicles built since 1996 and into the future. Click here to view a list of GDS supported vehicles.
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