FSB284-065

Field Service Bulletin
Trucks
Mack Trucks
Greensboro, NC USA
Date
Group
No.
Release
Page
3.2018
284
065
01
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Engine Control Module (ECM) and
Aftertreatment Control Module (ACM),
Reprogramming
CHU, CXU, GU, LEU, MRU, TD, PI, AN, GR,
LR, TE,
FSB 284-065, Engine Control Module (ECM) and
Aftertreatment Control Module (ACM),
Reprogramming
(March 2018)
Information
Software updates with enhancements are available for the engine control module (ECM) and
aftertreatment control module (ACM) for MACK MP7, MP8 and MP10 engines on OBD2016
vehicles built from January 1, 2016 to December 31, 2016.
Note: This bulletin does not apply to MACK Trucks Australia.
Follow the reprogramming procedure in the following order as outlined in this document:
•
•
ECM reprogramming
ACM reprogramming
PV729-FSB284-065_M
USA141496153
Mack Trucks
Field Service Bulletin
Date
3.2018
Group
No.
Release
284
065
01
The software updates address the following Diagnostic Trouble Codes (DTCs):
•
•
•
•
•
•
•
•
•
•
•
•
P026C - Fuel Injector, Low Mass Flow
P0422 – Catalyst 2 Efficiency Below Threshold (Bank 1)
P0507 – Idle Engine Speed Rationality: Idle Speed High
P10FE – Particulate Filter Restriction - Soot Accumulation Moderately High (Bank 1)
P208E – Aftertreatment Reagent Dosing Valve Clogged
P226C – Boost Pressure Slow Response
P226D – Particulate Filter Deteriorated/Missing Substrate Bank 1
P24A0 – Closed Loop DPF Regeneration Control at Limit – Temperature Too Low
P24A4 – Diesel Particulate Filter Restriction - Soot Accumulation Too High (Bank 1)
P2459 – Diesel Particulate Filter Regeneration Frequency (Bank 1)
P249C – Excessive Time To Enter Closed Loop Reductant Injection Control
P249F – Excessive Time to Enter Closed Loop-Regeneration Control
Check the current main software for ECM and ACM to determine the action required as
shown in the table below.
Action Required
ECM
Main Software
Action Required
MP7 / MP8
Equal or Less Than
22898389
Update to Latest Software
MP10
Equal or Less Than
23169815
Update to Latest Software
ACM
Main Software
Action Required
MP7 / MP8 / MP10
Equal or Less Than
22825019
Update to Latest Software
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Mack Trucks
Field Service Bulletin
Date
3.2018
Group
No.
Release
284
065
01
Required Tools
Premium Tech Tool (PTT) version 2.06.35 or higher
VOCOM Diagnostic Connector 88890304
Communication Interface 88890300
Note: Using other interfaces may affect programming speed.
Note: Check Premium Tech Tool version by clicking on Help tab and then click on “About
Tech Tool”.
Software Update Procedure
You must read and understand the precautions and guidelines in Service Information,
group 20, "General Safety Practices, Engines" before performing this procedure. If you are
not properly trained and certified in this procedure, ask your supervisor for training before
you perform it.
DANGER
Do not attempt to repair or service this vehicle without having sufficient training, the
correct service literature and the proper tools. Failure to follow this could make the vehicle
unsafe and lead to serious personal injury or death.
1 Park the vehicle on a level surface.
2 Apply the parking brake.
3 Place the transmission in neutral or park.
4 Install the wheel chocks.
W7086748
5 Connect Premium Tech Tool (PTT) to the vehicle diagnostics connector using the 16 pin
OBD cable 88890304 and Communication Interface 88890300. Connect the PC to a
functional LAN or modem connection and a 120 Volt AC source.
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Mack Trucks
Field Service Bulletin
Date
3.2018
Group
No.
Release
284
065
01
6 Turn the ignition switch “ON”.
7 Log in to PTT and Identify Vehicle is displayed.
8 Once the vehicle has been identified, enter the Work Order Number information, then
click Start Work.
W2115477
9 From the Main Menu select Program and then Program Electronic Control Unit 1700-0803-39. Then click Start.
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Mack Trucks
Field Service Bulletin
Date
3.2018
Group
No.
Release
284
065
01
10 Select Engine Control Module (EMS).
W2115479
11 Select Program to update the ECM with the latest software.
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Mack Trucks
Field Service Bulletin
Date
3.2018
Group
No.
Release
284
065
01
12 Certain conditions must be met to continue with programming: battery voltage above 10v,
parking brake applied, and ignition key in ON position with engine not running. When all
conditions have been met, click Continue to proceed with programming.
W2115481
13 Select “I accept” to agree to the terms and press continue to proceed.
Note: In the United States and Canada, the programing is NOT chargeable. An invoice
will not be generated.
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Mack Trucks
Field Service Bulletin
Date
3.2018
Group
No.
Release
284
065
01
14 When programming is complete, click Exit to return to Main Menu to program the ACM.
15 When all programing is complete, clear any diagnostic trouble codes (DTC) and Finish
Work.
16 Remove the wheel chocks.
W7086759
Reimbursement
This repair may be eligible for reimbursement if a
product failure was experienced within time and mileage
limits of the applicable Warranty coverage.
Reimbursement is obtained via the normal claim
handling process.
UCHP
Reimbursement
Claim Type (used only when uploading from the Dealer
Bus. Sys.)
01
Labor Code
Primary Labor Code (Engine Control Module (ECM) and
Aftertreatment Control Module (ACM), Reprogramming)
2841-22-09-17
0.4 hrs.
Causal Part
3092091
MACK Trucks North America reserves the right to make any changes in design or to make
additions to or upon its products without incurring any obligations to install the same on
vehicles previously built.
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