NHTSA ID Number: 10128801
Manufacturer Communication Number: 706-14
TSB/Document Date: 2018-02-12
Summary
706-14 SPN 171 FMI 3, 4 (CPC)(GHG14)
7 06-14
1
7 06-14
SUBJECT
DATE
SPN 171/FMI 3, 4 (CPC)(GHG14)
July 2014
Additions, Revisions, or Updates
Publication Number / Title
Platform
Section Title
Change
DDC-SVC-MAN-0084
DD Platform
SPN 171/FMI 3, 4 - GHG14
These are new sections.
All information subject to change without notice.
7 06-14
Copyright © 2014 DETROIT DIESEL CORPORATION
3
2 SPN 171/FMI 3 - GHG14
2
SPN 171/FMI 3 - GHG14
Ambient Temperature Sensor Failed High
Table 1.
SPN 171/FMI 3
Description
Ambient Temperature input is shorted high or open.
Monitored Parameter
Ambient Temperature
Typical Enabling Conditions
Always Enabled
Monitor Sequence
None
Execution Frequency
Always Enabled
Typical Duration
2 Seconds
Dash Lamps
CEL
Engine Reaction
None
Verification
Key Cycle - 5 Minutes off - Engine Idle (2 minute)
Check as follows:
1. Connect DiagnosticLink ®.
2. Has the CPC been recently reprogrammed?
a. Yes; Check for proper configuration of the CPC against the server information. To verify repair, Go to step 3.
b. No; Go to step 4.
3. Clear fault codes. Turn ignition OFF and disconnect DiagnosticLink. Wait five minutes for all modules to power down.
Verify repair.
4. Disconnect the CPC #3 21-pin connector.
4
All information subject to change without notice.
Copyright © 2014 DETROIT DIESEL CORPORATION 7 06-14
7 06-14
5. Inspect the CPC #3 harness connector for signs of damaged, bent, spread, corroded or unseated (pushed out) pins and
signs of moisture in the connector or wire damage near the connector. Is any damage found?
a. Yes; repair as necessary. Verify repairs.
b. No; Go to step 6.
6. Turn the ignition ON (key ON, engine OFF).
7. Measure the voltage between pin 15 of the CPC connector #3 harness side and ground. Is any voltage present?
a. Yes; repair the short to power on the ambient air sensor harness. Refer to Original Equipment Manufacturer
(OEM) literature for schematic information Verify repairs.
b. No; Go to step 8.
8. Turn ignition OFF.
9. Disconnect the ambient air temperature sensor. Refer to Original Equipment Manufacturer (OEM) literature.
10. Inspect the ambient air temperature sensor harness connector for signs of damaged, bent, spread, corroded or unseated
(pushed out) pins and signs of moisture in the connector or wire damage near the connector. Is any damage found?
a. Yes; repair as necessary. Verify repairs.
b. No; Go to step 11.
11. Measure the resistance between pin A of the ambient air sensor connector, harness side and pin 15 of the CPC #3
connector harness side. Is the resistance less than 5 ohms?
a. Yes; Go to step 12.
b. No; repair the open wire between pin A of the ambient air sensor connector and pin 15 of the CPC #3 connector.
12. Measure the resistance between pin B of the ambient air sensor connector, harness side and ground. Is the resistance
less than 5 ohms?
a. Yes; replace the ambient air temperature sensor. Refer to Original Equipment Manufacturer (OEM) literature. Go
to step 13. to verify repairs.
b. No; repair the open wire between pin B of the ambient air sensor connector and ground.
13. Clear fault codes. Turn ignition OFF and disconnect DiagnosticLink. Wait five minutes for all modules to power down.
Verify repair. Does fault code return?
a. Yes; replace CPC. Verify repairs.
b. No; release vehicle.
All information subject to change without notice.
7 06-14
Copyright © 2014 DETROIT DIESEL CORPORATION
5
3 SPN 171/FMI 4 - GHG14
3
SPN 171/FMI 4 - GHG14
Ambient Temperature Sensor Failed Low
Table 2.
SPN 171/FMI 4
Description
Ambient Temperature input is shorted to ground.
Monitored Parameter
Ambient Temperature
Typical Enabling Conditions
Always Enabled
Monitor Sequence
None
Execution Frequency
Always Enabled
Typical Duration
2 Seconds
Dash Lamps
CEL
Engine Reaction
None
Verification
Key Cycle - 5 Minutes off - Engine Idle (2 minute)
Check as follows:
1. Disconnect the ambient air temperature sensor. Refer to Original Equipment Manufacturer (OEM) literature.
2. Inspect the ambient air temperature sensor harness connector for signs of damaged, bent, spread, corroded or unseated
(pushed out) pins and signs of moisture in the connector or wire damage near the connector. Is any damage found?
a. Yes; repair as necessary. Verify repairs.
b. No; Go to step 3.
3. Turn the ignition ON (key ON, engine OFF).
4. Using DiagnosticLink ®, monitor fault code SPN 171/ FMI 4 with the ambient air sensor disconnected. Does the fault
code change or go inactive?
6
All information subject to change without notice.
Copyright © 2014 DETROIT DIESEL CORPORATION 7 06-14
7 06-14
5.
6.
7.
8.
9.
a. Yes; replace the ambient air temperature sensor. Refer to Original Equipment Manufacturer (OEM) literature.
Verify repair.
b. No; Go to step 5.
Turn the ignition OFF.
Disconnect the CPC #3 21-pin connector. Refer to Original Equipment Manufacturer (OEM) literature for schematic
information.
Inspect the CPC #3 harness connector for signs of damaged, bent, spread, corroded or unseated (pushed out) pins and
signs of moisture in the connector or wire damage near the connector. Is any damage found?
a. Yes; repair as necessary. Verify repairs.
b. No; Go to step 8.
Measure the resistance between pins A and B of the ambient air sensor connector, harness side. Is the resistance greater
than 10K ohms?
a. Yes; Go to step 9.
b. No; repair the short between pin A and pin B of the ambient air sensor harness. Verify repairs.
Measure the resistance between pin A of the ambient air sensor connector, harness side and ground. Is the resistance
greater than 10K ohms?
a. Yes; replace the CPC. Refer to Original Equipment Manufacturer (OEM) literature. Verify repairs.
b. No; repair the wire shorted to ground between pin A of the ambient air sensor connector and pin 15 of the CPC
#3 connector.
All information subject to change without notice.
7 06-14
Copyright © 2014 DETROIT DIESEL CORPORATION
7
- 💯【Conta.ct us for Support Directly】If you met any...
- 🔥🔥🔥【2026 AUTEL FLAGSHIP MK900BT MK900-BT, NEW...
- 🚗【3000+ ACTIVE TESTS (50➡3000+), SAME AS MS...
- 🚗【40+ HOT SERVICES FOR 150 MAKES (28+➡40+)】Full...
- 🚗【OE ALL SYSTEM DIAGNOSE, AUTO SCAN 2.0: SCAN LICENSE...
- 【TURN OFF CEL】 This AL319 car scanner diagnostic tool...
- 【EXTENSIVE APPLICATION】 Autel AL319 Compatible with...
- 【FOR END USER & DIYERS】 This error code reader AL319 is...
- 【USER-FRIENDLY DESIGN】 This OBD2 scanner and check...
- 【HIGH-QUALITY SERVICES】 12 months war.ranty from the...
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: 706-14
Replacement Service Bulletin Number:
MFR Communication Date: 2014-07-06
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
- [Notice] When you receive a used device, it may be a customer return resold by Amazon without inspection. You can exchange it for a new one through Amazon. As this situation is unavoidable, we sincerely apologize. For any issues, contacting us via Amazon's "Messages" is the best way. THINKSCAN 689BT Bidirectional Scan Tool Can Be Used Immediately After It is Turned On, Without Complicated Registration Process, Which is More Convenient & Quick.
- Full Bi-Directional Control & 3000+ Active Tests: Take control and test components like actuators, fuel injectors, relays, and cooling fans in real time. You’ll quickly see if the problem is in the part itself or the control module — saving you hours of guesswork and frustrating trial-and-error.
- Advanced ECU Coding Capabilities: Handle module matching and hidden feature activation with confidence. When you replace an ECU or want to customize settings, this obd2 scanner diagnostic bi directional tool gives you the professional-level capabilities you need without the dealership price tag.
- 34+ Useful Reset and Maintenance Functions: Complete everyday service tasks smoothly with a wide range of helpful reset and maintenance functions. Whether you’re keeping up with regular upkeep or tackling a specific job, this scanner makes maintenance simpler and less stressful for both DIYers and pros.
- Comprehensive Full System Diagnostics: Diagnose every major system — Engine, Transmission, ABS, SRS, TPMS, and more — all in one place. Finally stop wondering if you’re missing something important; get the full picture and clear codes with ease.
- Top Reasons to Choose the D7S OBD2 Scanner: XTOOL D7S car scan tool, an upgrade of XTOOL D7, offers comprehensive features for automotive technicians, workshops, and DIY enthusiasts 1. Upgraded Hardware: 2+64GB memory, rear camera, intuitive interface, foldable bracket 2. Complete Diagnostics: FCA
Autoauth, OE-level all system scan, 39+ maintenance services, 4K+ bidirectional, CANFD/DoIP protocol 3. Advanced Capabilities: ECU c0ding, PMI functions 4. Wide Compatibility: Support 10,000+ models, covering 99% vehicle brands 5. Multi-language: Available in 22+ languages, No IP Restrictions 6. 3-Year Updates: Save 300 bucks on software updates for the latest features and optimizations - 2026 Upgraded D7S Car Scanner Features: The newly 2026 D7S V2.0 scanner for car brings exciting features for advanced vehicle diagnostics and enhanced user experience 1. FCA AutoAuth: Now supports FCA SGW module for Chrysler, for Jeep, for Dodge (2018+), for Fiat (2017+), enabling faster vehicle communication without gateway restrictions 2. PMI (Offline ECU Pr0gramming): Allows for Ford, for Lincoln, and for Mazda ECU pr0gramming for new modules 3. Optimized Diagnostic Report 2.0: Personalized reports with logos and customer info for auto shops. Note: Compatibility varies by cars, please check before order
- 39+ Services/Resets/Adaptations/Relearns/Calibrations: XTOOL D7S full system car scanner diagnostic tool tackles 99% of common car issues through its 36+ special functions, including Oil Reset, EPB, SAS, BMS, Throttle Reset, Injector C0ding, ABS Bleed, TPMS Reset, Power Balance, etc and also covers specific-vehicle functions like Crank Sensor Relearn, ABS Initialization, Cylinder Power Balance, Fuel Trim Reset, Idle Relearn etc. This car diagnostic scanner enhances efficiency, making repairs and maintenance hassle-free. Tip: DO NOT for All vehicles, please check compatibility first
- Cost-effective ECU C0ding Scan Tool for Specific Brands: Enhance your vehicle's performance with XTOOL D7S! This obd2 scanner all systems bidirectional offers advanced capabilities at an affordable price, supports online for BMW, for Benz and offline for BENZ, for MIT, along with PMI functions for Ford, for Mazda, and for Lincoln
. Ideal for technicians and DIY enthusiasts, this automotive scanner diagnostic tool optimizes vehicle performance and enhances the driving experience. Note: Not for all cars and modules, please send car VIN to check the compatibility before purchase - OE All System Diagnostic & 8 Pids Graphing: XTOOL D7S is a comprehensive all system bi directional obd2 scanner that delivers dealer-level diagnostics, completely controlling over your vehicle’s performance and health. This automotive scan tool can read and clear DTCs, view live data and ECU information, retrieve freeze frames, and perform active tests and full obd2 functions. This bi-directional scan tool can can identify your vehicle's make, model, and year information with just one click and show up to 8 PIDs live data with options for CSV viewing, playback, and recording for in-depth analysis. It is easy-to-use for both professionals and beginners, helping pinpoint issues efficiently
- 【✅Compared to BOSSCOMM IF742, IF745 Offers Full-System Diagnostics】The BOSSCOMM IF745 car diagnostic scanner is an upgraded model of IF742. In addition to supporting all OBD2 Code Reader functions and 6 reset options (ABS/EPB/SAS/BMS/Oil/Throttle), it expands diagnostics from 4 systems (Check Engine/ABS/SRS/Transmission) to vehicle All systems, including Steering, Suspension, and Body Electronics. This provides deeper, more comprehensive diagnostic capabilities.
- 【✨10 OBD2 Functions】The BOSSCOMM IF745 scan tool’s DTC Lookup instantly translates fault codes into user-friendly explanations, its I/M Readiness feature streamlines emissions testing with a single tap, and Freeze Frame lets you pinpoint the exact moment of a fault for in-depth root-cause diagnosis. Combined with a live data dashboard and advanced diagnostics (O2S, OBMon, EVAP), it delivers comprehensive insights for confident troubleshooting.
- 【✨Deep Diagnostics for All Vehicle System Modules】Beyond code reading/clearing and ECU information retrieval, our all-in-one data stream feature lets you inspect all current fault codes and their locations across the vehicle’s systems. This vehicle code reader helps you turn off dashboard warning lights and perform a comprehensive self-check of your car at home—no more back-and-forth trips to the repair shop or hefty inspection fees.
- 【✨6 Essential Resets: ABS Bleeding, Oil, EPB, SAS, Throttle, BMS】The BOSSCOMM IF745 obd2 scanner diagnostic tool swiftly purges air from brake lines to restore braking sensitivity, fine-tunes maintenance cycles to eliminate false alerts, resolves parking brake issues with one-click control, recalibrates steering sensors for stability, optimizes engine idling/acceleration for smoother performance, and deeply resets battery systems to extend lifespan and range via precise parameter adjustments.❗NOTE: Does NOT support bidirectional control, coding, or programming.
- 【✨10,000+ Car Models, AutoVIN, 13 Languages】The BOSSCOMM IF745 vehicle scanner diagnostic tool covers 73+ global car brands and offers support in 13 languages, making it perfect for DIYers, auto mechanics, or as a thoughtful gift. With a single-click AutoVIN feature, it instantly retrieves vehicle serial numbers, streamlining diagnostics for users globally. This adaptable tool balances user-friendliness with precision, catering to both personal and professional requirements.✅Unsure about compatibility? Compatibility will vary on vehicles' model and year, pls reach us via 📧 [email protected] 📧 before purchase.
This product presentation was made with AAWP plugin.