PRODUCT SUPPORT PROGRAM FOR REPLACING THE EXHAUST GAS BACK PRESSURE VALVE AND FOR REFLASHING THE ENGINE SOFTWARE ON CERTAIN AP1000F AND AP1055F ASPHALT PAVERS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE EXHAUST GAS BACK PRESSURE VALVE AND FOR REFLASHING THE ENGINE SOFTWARE ON CERTAIN AP1000F AND AP1055F ASPHALT PAVERS

Usage:

TEBE6764-01

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04Oct2017

(Revised 23Oct2017)

U-524

A-372

D-431

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After Failure Only	PRODUCT SUPPORT PROGRAM FOR REPLACING THE EXHAUST GAS BACK PRESSURE VALVE AND FOR REFLASHING THE ENGINE SOFTWARE ON CERTAIN AP1000F AND AP1055F ASPHALT PAVERS
1920 108P 1061		PS53582

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NOTE:	Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar.
NOTE:	This Program can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS53582" as the Part Number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.

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NOTE:

The information supplied in this service letter may not be valid after the termination date of this program. Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.

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NOTE:	This Revised Service Letter replaces the 04Oct2017 Service Letter. Changes have been made to the Affected Product.

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TERMINATION DATE

31Oct2019

PROBLEM

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The 3905194/">390-5194 Exhaust Gas Valve Gp can fail on certain AP1000F and AP1055F Asphalt Pavers. The fault may result in the valve being off-center when not powered. The fault may result in the valve not moving when commanded. The faults result in the aftertreatment system being unable to regenerate and may be indicated by one of the following event codes:
E1263 Engine Exhaust Back Pressure Regulator Not Responding to Command
E1265 DPF Active Regeneration Inhibited Due to Low Exhaust Gas Pressure
E1645 Aftertreatment Active Regeneration Inhibited Due to Low Exhaust Pressure
The updated engine software provides improvements for BPV control, DEF level strategy, DEF quality sensor strategy, DEF injector strategy and SCR storage model, and ether injection quantity.

AFFECTED PRODUCT

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Model	Identification Number
AP1000F	AC400100-00342, 344
AP1055F	TJ500100-00692

PARTS NEEDED

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Qty	Part Number	Description
1	3595885	CLAMP AS.
1	3905194	VALVE GP-EXHAUST
1	5407232	SFWR GP-A1000
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 1% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.

ACTION REQUIRED

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Follow the Troubleshooting procedures for the active event codes. If a fault is found with the exhaust back pressure valve, install a replacement 3905194/">390-5194 Exhaust Gas Valve Gp. Refer to Disassembly and Assembly, "Exhaust Back Pressure Valve - Remove and Install".
Reflash the engine controller (ECM) with the software listed in the Parts Needed or latest available on SIS Web.

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SERVICE CLAIM ALLOWANCES

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Product smu/age whichever comes first	Caterpillar		Dealer Suggested		Customer Suggested
Product smu/age whichever comes first	Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
0-5000 hrs, 0-60 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%