NHTSA ID Number: 10171203
Manufacturer Communication Number: IS-19923A
TSB/Document Date: 2020-02-08
Summary
Revision : Addition of Wiring Schematics at the end of this document
C540:13
HVAC_2:0 C
HVAC_2:0 B
HVAC_2:0 B
C539:13
C539:14
C539:15
C539:16
C539:17
66
65D
45G
181
HVAC_2:0 B
HVAC_2:0 D
HVAC_2:0 D
HVAC_2:0 A
C539:20
C539:21
C539:22
C539:23
C539:24
2B
77H
116C
68
68A
C540:14
28H
D
C540:15
28T
C540:16
C540:17
C540:18
XS0006
114A
HVAC_2:4 A
116B
216C
HVAC_2:4 B
C539:18
C539:19
C
HVAC_2:0 B
HVAC_2:0 B
HVAC_2:0 B
HVAC_2:0 D
HVAC_2:0 D
HVAC_2:0 D
C540:19
83
C540:20
12ALT
C540:21
C540:22
E
E
WIRING DIAGRAM
0
1
Rev:
2
3
4
1
2
RES1B
XS0009
A36AC.JA:2
BBL
BBL
A36AC.JA:5
HVAC_1:1 C
RES1B:2
181
65AC
A36AC.JB:3
GND
HVAC_1:3 B
GND
44C
A36AC.JB:6
65A
TXD
HVAC_1:0 D
RXD
HVAC_1:3 B
HVAC_1:1 D
A36AC.JB:11
RxTx
A36AC.JA:13
A36AC.JA:14
A36AC.JA:15
A36AC.JA:16
A36AC.JA:17
A36AC.JA:18
B
28H
HVAC_1:4 D
HVAC_1:4 D
HVAC_1:0 D
HVAC_1:0 E
HVAC_1:0 E
HVAC_1:4 C
HVAC_1:0 E
28T
66
77H
2B
57E
116B
A36AC.JB:8
A36AC.JB:10
A36AC.JA:11
A36AC.JA:12
A36AC.JB:7
A36AC.JB:9
44C
XS0008
A36AC.JA:10
A
A36AC.JB:4
XS0007
44C
A36AC.JB:2
A36AC.JB:5
A36AC.JA:7
A36AC.JA:9
83
HVAC_1:0 D
A36AC.JA:6
A36AC.JA:8
HVAC_1:4 D
30
A36AC.JA:4
A36AC.JB:1
12V
XS0010
A36AC.JA:3
A36AC_JB
RES1B:1
86
A
BBH
87
A36AC.JA:1
BBH
4
RFD1
87A
A36AC_JA
3
85
0
A36AC.JB:12
A36AC.JB:13
A36AC.JB:14
A36AC.JB:15
A36AC.JB:16
A36AC.JB:17
HVAC_1:3 B
GND
44C
A36AC.JB:18
A36AC.JB:19
A36AC.JA:19
A36AC.JB:20
A36AC.JA:20
A36AC.JB:21
B
A-3
A36AC.JA:21
A36AC.JB:22
A36AC.JA:22
A36AC.JB:23
CTS
A36AC.JA:23
HVAC_1:2 D
A36AC.JA:24
114A
A36AC.JA:25
A36AC.JA:28
DBH
HVAC_1:1 A
HVAC_1:1 A
DBL
GND
A36AC.JB:29
A36AC.JB:30
RES2D
44C
HVAC_1:1 A
HVAC_1:1 A
DBH
DBL
RES2D:1
RES2D:2
A41AC_J1
A41AC.J1:5
64
135B
A41AC.J1:8
A41AC.J1:9
A41AC.J1:10
116C
HVAC_1:0 E
A41AC.J1:12
HVAC_1:0 E
A41AC.J1:17
A41AC.J2:4
A41AC.J2:5
A41AC.J2:8
A41AC.J2:9
A41AC.J2:10
A41AC.J2:11
A41AC.J2:12
A41AC.J2:13
A41AC.J1:15
A41AC.J1:16
2H
A41AC.J2:7
A41AC.J1:14
D
2L
A41AC.J2:6
44C
A-2
68A
87A
87
GND
A41AC.J1:11
A41AC.J1:13
A41AC.J2:3
HVAC_1:4 D
HVAC_1:4 D
65
RFD2
HVAC_1:0 E
A-1
68
A41AC.J2:1
A41AC.J2:2
A41AC.J1:6
A41AC.J1:7
C
HVAC_1:1 C
HVAC_1:3 B
A41AC.J1:4
216C
HVAC_1:4 C
HVAC_1:0 C
HVAC_1:4 D
HVAC_1:0 C
HVAC_1:3 B
30
A41AC.J1:3
264
181B
HVAC_1:0 D
A41AC.J1:2
A41AC_J2
12V
85
A41AC.J1:1
65C
86
C
A36AC.JB:27
A36AC.JB:28
A36AC.JA:29
A36AC.JA:30
A36AC.JB:25
A36AC.JB:26
RTS
A36AC.JA:26
A36AC.JA:27
A36AC.JB:24
45G
181D
HVAC_1:0 D
HVAC_1:0 C
65D
HVAC_1:0 D
D
A41AC.J2:14
A41AC_J3
A41AC.J2:15
A41AC.J1:18
A41AC.J1:19
44C
A41AC.J3:1
A41AC.J1:20
A41AC.J3:2
A41AC.J1:21
A41AC.J3:3
A41AC.J3:4
A41AC.J3:5
A41AC.J3:6
RES2B
BBL
BBH
BBH
BBL
GND
DB9 PIN
RES2B:1
DB9 PIN:1
RES2B:2
DB9 PIN:2
HVAC_1:3 B
DB9 PIN:3
DB9 PIN:4
DB9 PIN:5
DB9 PIN:6
DB9 PIN:7
DB9 PIN:8
DB9 PIN:9
E
E
WIRING DIAGRAM
0
1
Rev:
2
3
4
Last update on 2026-06-13 / Affiliate links / Images from Amazon Product Advertising API
If the PDF is very large, it may not load in the preview below.
Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.
If the TSB PDF does not show, download or view it on the NHTSA Website.
Click on the (+) Plus Sign
Then Click on Associated Document(s)
Search NHTSA Database for Recalls
Search NHTSA Database for Vehicle Investigations
View Latest Vehicle Investigations
Search NHTSA Database for Vehicle Complaints
View Latest Vehicle Complaints
TSB/Document ID: IS-19923A
Replacement Service Bulletin Number:
MFR Communication Date: 2020-01-06
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT:ELECTRICAL
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
- OBD2 Bluetooth Scanner Lifetime Update: Ediag Elite offers revolutionary Advantage Lifetime Updates with unlimited access to the superior 15+ reset service, bidirectional testing and full system diagnostics.The Ediag Elite is an excellent Bluetooth OBD2 scanner diagnostic tool ideal for DIY's and private car owners.
- Bidirectional Control for Quickly Locating Problems: The Bidirectional Scan tool allows you to send commands directly from your smartphone to your vehicle for active testing. This feature helps to quickly narrow down problems such as air conditioning clutches, windows, doors, sunroofs, etc., reducing diagnostic time for mechanics and helping DIY users locate faults more easily. In addition, Ediag Elite provides fault analysis and repair guidance to help you solve problems efficiently.
- 15+ Maintenance Resets: The current version introduces 15+ popular special features: Oil Reset, Headlight Matching, Bleeding Reset, TPMS Reset, BMS Reset, Gear Box Relearn, EGR Learning, Throttle Learning, Injector Coding, SAS Reset and more special functions in system diagnose menu. These functions make it easy for owners to carry out the necessary maintenance and servicing, ensuring that your vehicle stays in top condition, prolonging its service life and preventing common problems and breakdowns. Note: The Special function vary by model& year, Reach us check compatibility.
- Wide Compatibility CANFD & FCA
Autoauth: Compatible with GM, Ford, Toyota, Chrysler, Honda, Mazda, Nissan, Mitsubishi, Hyundai, KIA with standard OBD2 port from 1996 to newer. More car brands and features will be released gradually. Newest Ediag Elite scanner supports CANFD Protocol and FCA cars. Note: Coverage may vary on different vehicle by model& year ,Please contact us to confirm compatibility before purchase. - Perfect for Monitoring The Health of Your Vehicle: Ediag Elite is designed to make vehicle maintenance simple and efficient. With intelligent AutoVIN quick recognition, it is easy to connect to your car without the need for manual input. Real-time data is visualized in a variety of formats, including graphs, numeric, meter displays and clear 4-in-1 data charts, allowing you to effortlessly monitor real-time performance. Data logging/reporting is available for playback and further analysis.
Autoauth: Compatible with GM, 
- No Annual Fees & 2026 Upgraded CAN FD: Why pay $199/year or more for updates? The 2026 newest Kingbolen K7 obd2 scanner features have been upgraded to Lifetime Updates without subscription fees, saving you significant costs in the long run. K7 scan tool also adds the CAN FD protocol for the latest GM models (2019+), enabling faster data transfer, reducing the risk of undetected errors
- 2026 Newest Top-tier Car Scanner: Kingbolen K7 diagnostic scan tool is equipped with most capabilities for daily repair/maintenance: Wireless diagnosis via Bluetooth, Bidirectional Test, ECU Online/Offline Code, 31+ Resets, PMI for Ford, Lincoln, Mazda, Global version for 100+ brand vehicles and 17 languages, no area limit, FCA AutoAuth
- OE-Level Full Systems Scan Tool: K7 professional diagnostic scanner with Auto Vin can do one-click to scan ECUs on most of vehicles, like pcm, ecm, eps, bcm, tpms, sas, a/c system... to read/clear code, view live data, freeze frame, read ecu info. 4-in-1 data stream graphics can make data viewing more intuitive. Detailed diagnostic reports will help you easily master the car situation as it can be shared by bluetooth or email! Adding workshop information can help your customers to know more
- Bidirectional Test/Active Test & ECU Code: Stop guessing and start fixing. Bidirectional scan tool Kingbolen K7 can perform real active test that can send commands to the vehicle's ECU to drive the actuators to work, like window, rear mirrors, sunroof, door, solenoids, wipers, headlamp, etc, helping you quickly find out bad parts and pinpoint faulty issues. K7 bidirectional scanner will be a good choice to save money and time on car repairs when performing complex maintenance and repair
- 31 Reset Functions: Avoid expensive dealership visits for simple services. Experience tells us that just a small repair service may cost a lot of money. Kingbolen K7 is a professional diagnostic scanner with 31 common maintenance services like Oil /SAS/EPB/TPMS Reset, Battery Matching, ABS Bleeding, Injector Code, etc. It effectively handles most of the car reset and relearning jobs, perfect for experienced DIYers and mechanics. Note: Functions in the menu vary across vehicles. Kindly check the compatibility before purchase
- 【Cost-effective Diagnostic Scan Tool】Lifetime updates without fee, No subscription fee required, No IP restrictions, Ediag Elite bluetooth scanner stands out. It can perform in-depth Full System diagnostics,15+ Reset Services, powerful Active Test, CANFD & FCA AutoAuth. Connect your phone via Bluetooth for diagnosis, providing a faster, smarter and smoother diagnostic experience. Easy to put in pocket, convenient to carry, keep track of the car's status anytime, anywhere. Best bang for your bucks.
- 【15+ Reset Service, Easy Problem Solving】 KINGBOLEN Ediag Elite obd2 scanner diagnostic scan tool comes with 15+ professional reset functions, including: Oil Reset, ABS Bleeding, Injector Code, SAS Reset, TPMS Reset, BMS Reset, AFS Reset, Sunroof Calibration, Brake Reset and more special functions in system diagnose menu. The ideal bluetooth scanner for mechanics and DIY enthusiasts, which can save unnecessary maintenance costs and significantly shorten repair time.
- 【Comprehensive Full Systems Diagnostic】 The Ediag Elite obd2 scanner bluetooth supports full system In-Depth diagnosis. It can read/clear fault codes, read real-time data/freeze frame, module information, and perform testing and reset functions for ECM, BCM, ABS, SRS, TPMS, TCM, BMS, SAS, A/C & RTM systems ect. It works with most car models after 1996, cover more than 150+ car brands. Supports 22 global languages for your convenience(EN, FR, ES, DE, IT, RU, PT, JP, TU...)
- 【Powerful Bidirectional Scan Tool & Active Test】 The obd2 code reader for Ediag Elite can perform real time active test that can send commands to the vehicle’s ECU to drive the actuators to work, such as turn on the radiator fan, modulate the throttle, open/close windows, etc. It can help you quickly find out the bad components and the cause of the fault, which can save you a lot of time. With BT 5.2 wireless connectivity, you can enjoy wireless diagnostics up to 33 feet.
- 【FCA AutoAuth & CANFD Compatibility】 Ediag Elite scan tool offers support with FCA Gateway Access, allowing you to perform protected functions on FCA vehicles, including Chrysler, Dodge, Jeep, Alfa Romeo, Fiat vehicles, etc.(Note:just allows you to access the FCA, but need to have your own FCA account) Supports the CAN-FD protocol, provide high-speed vehicle diagnostic communication and data transfer, working perfectly on GM vehicles produced after 2020, saving $100 to buy a CAN FD adapter.
Last update on 2026-06-12 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.