NHTSA ID Number: 10206408
Manufacturer Communication Number: DSM.0018
TSB/Document Date: 2022-01-10
Summary
Updated diagnostic steps for Fault Code 6947 that is triggered when an engine crank is attempted and the Blue iQ® Fuel System Control Module detects one or more Drive Away Protection conditions are present on a particular component (e.g., fuel fill door open or damaged, dust cap not installed on fuel receptable, kill cap not installed on fuel receptable, etc.).
FSCM
Pin
27
27
27
Pin B –
Black/White
wire
Pin 5 –
Black/White
wire
2-pin reed switch harness
connector end view
Pin 27 –
Black/White
wire
FSCM harness connector end view
Resistance between zero and 1 ohms?
Yes
Contact Hexagon Agility® Technical
Support.
DSM.0018 Ver 2.0
December 28, 2021
No
If the fault is in the circuit for DAP #3, #4,
or #5, proceed to Step 8.
If the fault is in the circuit for DAP #1 or
DAP #2, repair open / high resistance in
harness 5V Reference circuit. Refer to
DSM.0036 Harness and Wire Repair Manual.
After repair is complete, proceed to
Reassembly and Validation.
Blue iQ® Fault Code 6947 Diagnostic Procedure
PRINTED AND DOWNLOADED COPIES ARE UNCONTROLLED
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Step
8
Ignition OFF.
Use a DMM and appropriate test leads, refer to the chart below to measure resistance of the FMM
harness bulkhead to FSCM 5V Low-Reference circuit for which INSITE™ indicated a fault.
Optional: Three to five DAP sensor configurations
From
To
Circuit
Connector
Pin
Connector
DAP #3
Bulkhead, FMM side
21
FSCM
DAP #4
Bulkhead, FMM side
23
FSCM
DAP #5
Bulkhead, FMM side
25
FSCM
Pin
27
27
27
Pin 21 –
Black/White
wire
Pin 27 –
Black/White
wire
Pin 23 –
Black/White
wire
Pin 25 –
Black/White
wire
bulkhead connector end view – FMM side
FSCM harness connector end view
Resistance between zero and 1 ohms?
Yes
Proceed to Step 9.
DSM.0018 Ver 2.0
December 28, 2021
No
If the fault is in the circuit for DAP #5,
repair open / high resistance in 5V LowReference circuit. Refer to DSM.0036
Harness and Wire Repair Manual.
If the fault is in the circuit for DAP #3 or
#4, proceed to Step 12.
After repair is complete, proceed to
Reassembly and Validation.
Blue iQ® Fault Code 6947 Diagnostic Procedure
PRINTED AND DOWNLOADED COPIES ARE UNCONTROLLED
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Step
9
Ignition OFF.
Disconnect Blue iQ® chassis harness bulkhead connector.
Disconnect 2-pin reed switch harness connector.
Use a DMM and appropriate test leads, refer to the chart below to measure resistance of the chassis
harness bulkhead to DAP reed switch 5V Low-Reference circuit for which INSITE™ indicated a
fault.
Circuit
DAP #3
DAP #4
DAP #5
Optional: Three DAP sensor configurations
From
To
Connector
Pin 2-pin Connector
Bulkhead, chassis side
21
DAP #3
Bulkhead, chassis side
23
DAP #4
Bulkhead, chassis side
25
DAP #5
Pin 21 –
Black/White
wire
Pin
B
B
B
Pin B –
Black/White
wire
Pin 25 –
Pin 23 –
Black/White
Black/White
wire
wire
bulkhead connector end view – chassis side
2 -pin reed switch harness
connector end view
Resistance between zero and 1 ohms?
Yes
Contact Hexagon Agility® Technical
Support.
DSM.0018 Ver 2.0
December 28, 2021
No
Repair open / high resistance in chassis
harness 5V Low-Reference circuit. Refer to
DSM.0036 Harness and Wire Repair Manual.
After repair is complete, proceed to
Reassembly and Validation.
Blue iQ® Fault Code 6947 Diagnostic Procedure
PRINTED AND DOWNLOADED COPIES ARE UNCONTROLLED
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Step
10
Ignition OFF.
Disconnect 4-pin intermediate DAP harness connector.
Use a DMM and appropriate test leads, refer to the chart below to measure resistance of the FSCM
5V Supply to 4-pin intermediate DAP connector for which INSITE™ indicated a fault.
Optional: Three to five DAP sensor configurations
From
To
Circuit
Connector
Pin
4-pin Connector
Pin Circuit #
DAP #3
FSCM
25
DAP #3
A
309
DAP #4
FSCM
24
DAP #4
C
310
Pin 24 – Gray
Pin 25 – Gray
Pin C –
Gray wire
Pin A –
Gray wire
4-pin intermediate DAP
harness connector end view
FSCM harness connector end view
Resistance between zero and 1 ohms?
Yes
Proceed to Step 11.
DSM.0018 Ver 2.0
December 28, 2021
No
Repair open / high resistance in chassis
harness 5V Reference circuit. Refer to
DSM.0036 Harness and Wire Repair Manual.
After repair is complete, proceed to
Reassembly and Validation.
Blue iQ® Fault Code 6947 Diagnostic Procedure
PRINTED AND DOWNLOADED COPIES ARE UNCONTROLLED
13 of 17
Step
11
Ignition OFF.
Disconnect Blue iQ® chassis bulkhead connector.
Use a DMM and appropriate test leads, refer to the chart below to measure resistance of the chassis
harness bulkhead to 4-pin intermediate DAP connector reed switch 5V Supply circuit for which
INSITE™ indicated a fault.
Circuit
DAP #3
DAP #4
Optional: Three to Five DAP sensor configurations
From
To
Connector
Pin 4-pin Connector Pin
Bulkhead, chassis side
20
DAP #3
A
Bulkhead, chassis side
22
DAP #4
C
Pin 20 – Gray
wire
Pin 22 – Gray
wire
Pin A – Gray
wire
Circuit #
309
310
Pin C –
Gray
wire
4-pin intermediate DAP
harness connector end view
bulkhead connector end view ‒ chassis side
Resistance between zero and 1 ohms?
Yes
Contact Hexagon Agility® Technical
Support.
DSM.0018 Ver 2.0
December 28, 2021
No
Repair open / high resistance in chassis
harness 5V Supply circuit. Refer to
DSM.0036 Harness and Wire Repair Manual.
After repair is complete, proceed to
Reassembly and Validation.
Blue iQ® Fault Code 6947 Diagnostic Procedure
PRINTED AND DOWNLOADED COPIES ARE UNCONTROLLED
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Step
12
Ignition OFF.
Disconnect 4-pin intermediate DAP harness connector.
Use a DMM and appropriate test leads, refer to the chart below to measure resistance of the FSCM
to DAP reed switch 5V Low-Reference circuit for which INSITE™ indicated a fault.
Optional: Three to Five DAP sensor configurations
From
To
Circuit Connector Pin 4-pin Connector Pin Circuit #
DAP #3
FSCM
27
DAP #3
B
407
DAP #4
FSCM
27
DAP #4
D
407
Pin 27 –
Black/White
wire
Pin D –
Black/White
wire
Pin B –
Black/White
wire
4-pin intermediate DAP harness
connector end view
FSCM harness connector end view
Resistance between zero and 1 ohms?
Yes
Proceed to Step 13
DSM.0018 Ver 2.0
December 28, 2021
No
Repair open / high resistance in chassis
harness Low-Reference circuit. Refer to
DSM.0036 Harness and Wire Repair Manual.
After repair is complete, proceed to
Reassembly and Validation.
Blue iQ® Fault Code 6947 Diagnostic Procedure
PRINTED AND DOWNLOADED COPIES ARE UNCONTROLLED
15 of 17
Step
13
Ignition OFF.
Disconnect 4-pin intermediate DAP harness connector.
Disconnect Blue iQ® chassis bulkhead connector
Use a DMM and appropriate test leads, refer to the chart below to measure resistance of the chassis
harness bulkhead to DAP reed switch 5V Low-Reference circuit for which INSITE™ indicated a
fault.
Circuit
DAP #3
DAP #4
Three DAP sensor configurations
From
To
Connector
Pin 4-pin Connector
Bulkhead, FMM side 21
DAP #3
Bulkhead, FMM side 23
DAP #4
Pin 21 –
Black/White
wire
Pin 23 –
Black/White
wire
Pin
B
D
Circuit #
407
407
Pin B –
Black/White
wire
Pin D –
Black/white
wire
4-pin intermediate DAP harness
connector end view
Bulkhead harness connector end view – FMM side
Resistance between zero and 1 ohms?
Yes
Contact Hexagon Agility® Technical
Support.
DSM.0018 Ver 2.0
December 28, 2021
No
Repair open / high resistance in chassis
harness 5V Low-Reference circuit. Refer to
DSM.0036 Harness and Wire Repair Manual.
After repair is complete, proceed to
Reassembly and Validation.
Blue iQ® Fault Code 6947 Diagnostic Procedure
PRINTED AND DOWNLOADED COPIES ARE UNCONTROLLED
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Reassembly and Validation
After completing all repairs, always perform the following steps to confirm the issue is fixed:
1. Reconnect all connectors and verify connections are secure.
2. Reattach any enclosure covers and close any fuel system doors.
3. Clear fault codes using Cummins
® INSITE™ tool.
4. Run vehicle until it reaches normal operating temperature. Refer to OEM instructions.
5. If fault is cleared, return vehicle to duty.
If fault is not cleared, contact Hexagon Agility® Technical Support.
Hexagon Agility® Customer Care and Technical Services
Fuel system warranty or non-warranty product support may be obtained by calling or emailing Hexagon Agility® Customer
Care and Technical Services (CCTS).
Please provide your name, phone number, email address, and complete vehicle information: VIN, year, make,
model, mileage, unit number vehicle owner, and current vehicle location. A service advisor will contact you to
arrange vehicle repair or ship a part.
833-4-HEX-CARE
(toll-free, U.S. and Canada)
+1 949 267 7745
Support
[email protected]
Parts Orders
[email protected]
Proprietary Statement
The information provided within this document is proprietary and confidential. All prior versions, including updates and revisions forwarded separately,
are proprietary. The information provided by Hexagon Agility® to its customers and clients is solely for the use of those customers and clients. No
portion of this publication may be reproduced or distributed without express written consent of Hexagon Agility®. Hexagon Agility® reserves the right
to utilize the intellectual property contained within this publication as content for any other publication produced by Hexagon Agility®.
Trademark Notice
Hexagon® is a registered trademark of Hexagon Technology AS. Agility® is a registered trademark of Agility Fuel Solutions LLC. Blue iQ® is a registered
trademark of Agility Fuel Systems LLC. Trademarks of other manufacturers are the property of their respective companies.
Hexagon Agility®
DSM.0018 Ver 2.0
December 28, 2021
3335 Susan Street, Suite 100 Costa Mesa, CA 92626 USA
Blue iQ® Fault Code 6947 Diagnostic Procedure
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TSB/Document ID: DSM.0018
Replacement Service Bulletin Number:
MFR Communication Date: 2021-12-28
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
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