K17696792

Service Bulletin Details

Public Details for: K17696792

Diagnostic trouble code (dtc) P24F6-00, exhaust aftertreatment fuel air purge valve stuck open or dtc P24F7-00, exhaust aftertreatment fuel air purge valve stuck closed - us14+obd15 emissions and newer, model year 2016 and newer


- 2019 - 2018 - 2017 - 2016 -

Solution K17696792
Monday, February 4, 2019 6:06:38 PM CET
Mack Models
Mack Model
Cabover , LEU , LR , MRU - TerraPro , Conventional , AN - Anthem , CHU Pinnacle, Axle back , CXU - Pinnacle, Axle front , GU - Granite , TD - Titan
Volvo Models
Volvo Model
VNL , VNM , VNR , VNX , VAH , VHD
Engine family
Engine family
11L Engine , 13L Engine , 16L Engine , Mack , MP7 , MP8 , MP10
Emission Standard
Emission Standard
US15 , US16 , US17 , OBD2017 , 2018
** SOLUTION **
Title
Diagnostic Trouble Code (DTC) P24F6-00, Exhaust Aftertreatment Fuel Air Purge
Valve Stuck Open Or DTC P24F7-00, Exhaust Aftertreatment Fuel Air Purge Valve
Stuck Closed - US14+OBD15 Emissions And Newer, Model Year 2016 And Newer
Cause
US15 Model Year ( MY ) and newer chassis may set DTC P24F6 - 00 or P24F7 - 00.
Solution
NOTE: Prior to testing verify the flow specification of the high or low flow 7th injector
being tested. For more information regarding high and low flow 7th injectors refer to
CBR solution K76992557 .
If Guided Diagnostics ( GD ) results in No Fault Found ( NFF ), check the following:
• Aftertreatment Hydrocarbon Doser air supply line pressure
- Specification is 32 PSI ( 221 kPa )
• Any contamination such as oil or water, restriction or other debris in the AHI purge air
line
- The line should be dry
• Proper coalescing filter installed in the air dryer
- An incorrect filter installed will result in contamination as described above
• Aerated fuel flowing from the AHI module
Solution visibility
Dealer distribution
Function(s)/component(s) affected
Function affected
engine , exhaust
Function Group
Function Group
254 catalytic converter; exhaust emission control equipment , 258 emissions aftertreatment
Customer effect
Main customer effect
regeneration , fluid , calibration/programming/pairing/missing operation , diagnostics
/methodology , efficiency/abnormal behavior , fault code/display
Fluid implicated
Lights/Messages on
information display
air , fuel
message on display
Fault code(s)
OBD 2013 Diagnostic
Trouble Codes
P24F6-00 , P24F7-00
Administration
Author
A241298
Last modified by
RU4469V
Creation date
16-10-2017 21:10
Date of last update
29-01-2019 16:01
Status
Published


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