USP047800

Service Bulletin Details

Public Details for: USP047800
Mack defense-idtc_epg1_sch
Models from 9999
DTC:
Bulletin:
P0478-00
GDC22-170
Date:
Description:
Applies to:
April 01, 2022
See below for fault code description(s)
US ARMY VEHICLES
General Information
These repair instructions are intended to address the following fault(s):
DTC
P0478-00
Description
IDTC_EPG1_SCH – Voltage
Above Normal or Shorted High
Possible Cause
•
•
Short circuit to battery
voltage, Control wire
Short circuit in control
valve
Possible (Observable) Symptoms
•
•
•
The exhaust brake does not
function
The heat retention function is
not working
Low Power
Required Parts
Part Number
Description
Quantity
N/A
PTT, VOCOMII
1
Repair Instructions
Please reference the following file(s):
•
•
IETM, WP File Name: T00990
IETM, WP Number: 205
Additional Resources
•
For support with a warrantable fault/fault code, please submit an SF368 Product Quality Deficiency Report
(PQDR) in the Product Data Reporting & Evaluation Program (PDERP) at https://www.pdrep.csd.disa.mil/
and CC or forward the PDREP generated .pdf copy of the SF368 to appropriate Mack Defense Warranty
Managers:
Margaret Baranowski
(484)-743-7127
[email protected]
William Beard
(610)-573-4954
[email protected]
© 2022 Mack Trucks, Inc. Information is subject to change without notice.
Page 1/2
DTC:
P0478-00
Bulletin:
Date:
•
GDC22-170
April 01, 2022
For assistance with normal service or technical related questions, please contact our Contractor Logistics
Support (CLS) provider POCs:
Rich Rader
(910) 797-0903
[email protected]
Gil Esplana
(254) 404-5409
[email protected]
© 2022 Mack Trucks, Inc. Information is subject to change without notice.
Page 2/2