CBR-2214 202407 Service Bulletin/Repair Instructions

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Preview Solution CBR-2214-5

Turbo Compound 2nd Generation - EGR

And/Or DPF Diagnostic Trouble Codes

(DTC), Diagnostic And Repair

Information

Published 30 July 2024

Valid for VN, AN, PI model years 2020 to present
Vehicles equipped with a second generation turbo compound engine may experience a

combination of diagnostic trouble codes related to the EGR system and/or issues with

regeneration.

This solution should be reviewed and followed prior to performing other diagnostics.
Product Identification

Vehicles equipped with a 2nd Generation Turbo-compound unit will have a turbocharger

equipped with a wastegate as seen below.
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Symptoms and Diagnostic Trouble Codes

Important: Affected vehicles will display a combination of two or more of the

DTCs and/or symptoms listed below. Singular codes or symptoms should be

investigated via normal diagnostic procedures.

EGR DTC
DPF DTC
Exhaust Backpressure Symptom
P040100

P040200
P10FE00

P10E100
P047164
P240F00

P023400
P245364

P246300
P029900
P24A400
Inability to perform a regeneration
Diagnosis

Perform EGR Analysis Test Operation 2939-08-03-01. If the EGR Analysis Test

Operation (2939-08-03-01) is unavailable for your application, please complete steps 1

through 3.

NOTE: The remaining steps 4 thru 7 will need to be completed with either option.
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1. Electrically disconnect EGR valve and AVU.
2. Using Tech Tool, open operation 2589-08-03-02 Exhaust Aftertreatment System,

Service Regeneration for data monitoring and collection. (DO NOT start a regen. This is

for data colection only.)

3. Start engine and increase engine speed to 2000 RPM for 3-5 minutes.

4. Finish work in PTT.

5. Start an eService case if there is not an existing one for this shop visit.

6. In the summary provide:

• A detailed summary of symptoms and DTCs

• Any relevant history

• This solution number

7. Retrieve and attach the .csv data file to the eService case.
Repair

• Instructions for how to proceed will be provided by Dealer Technical Support via the

eService case.

• The eService case should be updated with findings based on the instructions

provided.
Related links and attachments

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