NHTSA ID Number: 10253821
Manufacturer Communication Number: CBR-2214 202404
TSB/Document Date: 2024-05-02
Summary
CBR: Turbo Compound 2nd Generation - EGR And / Or DPF Diagnostic Trouble Codes (DTC), Diagnostic And Repair Information.
Preview Solution CBR-2214-4
Turbo Compound 2nd Generation - EGR
And/Or DPF Diagnostic Trouble Codes
(DTC), Diagnostic And Repair
Information
Published 22 April 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 or steps 1 thru 3.
NOTE: The remaining steps 4 thru 7 will need to be completed with either option.
1. Electrically disconnect EGR valve and AVU.
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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
No links or attachments available
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TSB/Document ID: CBR-2214 202404
Replacement Service Bulletin Number:
MFR Communication Date: 2024-04-22
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING
MFR Component System:
MFR Component Subsystem:
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