NHTSA ID Number: 10173163
Manufacturer Communication Number: U17_NOx_Conv1
TSB/Document Date: 2020-04-02
Summary
Reductant Quality
DTC:
P207F-00
GDC18-060
Bulletin:
May 10, 2018
Date:
Description:
Applies to:
Reductant Quality - No additional information
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For Spanish click here: ESPAÑOL
General Information
These repair instructions are intended to address the following fault(s):
DTC
Description
Possible Cause
x
x
x
P207F-00
Reductant Quality
- No additional
information
x
x
x
Possible (Observable)
Symptoms
Dosing too low
Wrong liquid in tank
Aftertreatment selective catalytic
reduction (SCR) catalyst
Aftertreatment diesel exhaust fluid (DEF)
dosage valve
Restricted filter
Aftertreatment Hydrocarbon Doser, overfueling
Vehicle speed is
limited to 5 mph
Required Parts
Part Number
Description
Quantity
22303384
Post-Cat NOx sensor
1
22303390
Pre-Cat NOx sensor
1
Repair Instructions
NOTE: Vehicles equipped with US2017 emission compliant engines have two NOx sensors, one that measures
NOx level before the exhaust enters the Selective Catalyst Reduction (SCR) unit and one that measures NOx level
after the exhaust leaves the SCR. This procedure is for both NOx sensor and control module locations.
NOx Sensor, Replacement (KS1)
1.
2.
3.
4.
5.
Park the vehicle on a level surface with the steering wheel in the straight ahead position.
Apply the parking brake.
Place the transmission in neutral or park.
Install the wheel chocks.
Disconnect the cable from the battery's negative terminal.
© 2016 Mack Trucks
, Inc. Information is subject to change without notice.
Page 1/6
DTC:
P207F-00
Bulletin:
Date:
GDC18-060
May 10, 2018
6. Remove the cable ties. Note: Mark the position and number.
7. Remove the screws.
8. Remove the plate.
9. Disconnect the connector.
10. Remove the screws.
11. Remove the control unit.
© 2016 Mack Trucks, Inc. Information is subject to change without notice.
Page 2/6
DTC:
P207F-00
Bulletin:
Date:
GDC18-060
May 10, 2018
12. Disconnect the connector.
13. Repack the defective component(s) before returning for warranty evaluation. Note: Take care when handling
fragile components, such as sensors.
14. Connect the connector.
15. Torque tighten the sensor. Sensor, flange nut: 50 ±10 Nm (37 ±7 lbfڄft)
16. Connect the connector.
17. Install the control unit.
18. Install the screws.
© 2016 Mack Trucks, Inc. Information is subject to change without notice.
Page 3/6
DTC:
P207F-00
Bulletin:
Date:
GDC18-060
May 10, 2018
19. Torque tighten the screws. Module, NOx sensor: 10 ±2 Nm (7 ±1 lbfڄft)
20. Install the plate.
21. Install the screws.
22. ,QVWDOOWKHFDEOHWLHV7KHEHQGUDGLXVRIWKHFDEOHPXVWQRWEHOHVVWKDQWKHVSHFLILHGYDOXH&DEOHUDGLXV•
mm •LQ
23. Connect the battery cable to negative (ground) terminal. Delete DTC (Diagnostic Trouble Code) according to
the diagnostic tool (Premium Tech Tool) instructions.
24. Remove the wheel chocks.
© 2016 Mack Trucks, Inc. Information is subject to change without notice.
Page 4/6
DTC:
P207F-00
Bulletin:
Date:
GDC18-060
May 10, 2018
NOx Sensor, Replacement (KS2)
1. Connect the connector.
2. Torque tighten the sensor. Sensor, flange nut: 50 ±10 Nm (37 ±7 lbfڄft)
3.
4.
5.
6.
Connect the connector.
Install the control unit.
Install the screws.
Torque tighten the screws. Module, NOx sensor: 10 ±2 Nm (7 ±1 lbfڄft)
© 2016 Mack Trucks, Inc. Information is subject to change without notice.
Page 5/6
DTC:
P207F-00
Bulletin:
Date:
GDC18-060
May 10, 2018
7. Install the cable ties. Conditions: The bend radius of the cable must not be less than the specified value.
&DEOHUDGLXV•PP • in)
8. Position the fairing.
9. Connect the lanyard.
10. Latch the fairing.
11. Connect the battery cable to negative (ground) terminal.
12. Delete DTC according to the diagnostic tool (Premium Tech Tool) instructions.
13. Remove the wheel chocks.
Additional Resources
These repairs are the most likely fix for the identified fault(s), if this does not fix the issue, Tech Tool will need to
be used for more detailed diagnostics. If filing a warranty claim, please include the ASIST case number.
Labor Code
2589-03-02-65 KS1
0.5
2589-03-02-66 KS2
0.3
Causal Part
22303390
22303384
© 2016 Mack Trucks, Inc. Information is subject to change without notice.
Page 6/6
DTC:
P207F-00
Boletín:
Fecha:
Descripción:
Se aplica a:
GDC18-032
20 de febrero de 2020
Calidad del reductor - No hay información adicional
Emisiones de US17 86
Para inglés, haga clic aquí: ENGLISH
Información general
Estas instrucciones de reparación están destinadas a abordar las siguientes fallas:
DTC
Descripción
x
x
x
P207F-00
Calidad del reductor No hay información
adicional
Posibles síntomas
(observados)
Causa posible
x
x
x
Dosificación demasiado baja
Líquido incorrecto en el tanque
Catalizador de reducción catalítica
selectiva de postratamiento (SCR)
Válvula de dosificación de fluido de
escape diésel de postratamiento (DEF)
Filtro restringido
Dosificador de hidrocarburos de
postratamiento, suministro excesivo
La velocidad del vehículo
está limitada a 5 mph
Piezas necesarias
Número de pieza
Descripción
Cantidad
22303384
Sensor NOx posterior al catalizador
1
22303390
Sensor NOx previo al catalizador
1
Instrucciones de reparación
NOTA: Los vehículos equipados con motores que cumplen las emisiones US2010 y posteriores tienen dos
sensores de NOx, uno que mide el nivel de NOx antes de que el escape ingrese a la unidad de Reducción
catalítica selectiva (SCR) y otro que mide el nivel de NOx después de que el escape sale de SCR. Este
procedimiento es para ambas ubicaciones del módulo de control y sensor de NOx.
Sensor NOx, Reemplazo (KS1)
1.
2.
3.
4.
5.
Estacione el vehículo en una superficie plana con el volante en posición recta.
Aplique el freno de estacionamiento.
Ponga la transmisión en neutro o estacionamiento.
Instale los bloqueos de las ruedas.
Desconecte el cable desde el terminal negativo de la batería.
© 2016 Mack Trucks, Inc. La información está sujeta a cambios sin aviso previo.
Página 1/6
DTC:
P207F-00
Boletín:
Fecha:
GDC18-032
20 de febrero de 2020
6. Retire las correas. Nota: Marque la posición y el número.
7. Retire los tornillos.
8. Retire la placa.
9. Desconecte el conector.
10. Retire los tornillos.
11. Retire la unidad de control.
© 2016 Mack Trucks, Inc. La información está sujeta a cambios sin aviso previo.
Página 2/6
DTC:
P207F-00
Boletín:
Fecha:
GDC18-032
20 de febrero de 2020
12. Desconecte el conector.
13. Vuelva a empacar los componentes con fallas antes de devolverlos para evaluación de la garantía.
Nota: Tenga cuidado cuando manipula componentes frágiles, como sensores.
14. Conecte el conector.
15. Apriete el sensor. Sensor, tuerca de brida: 50 ±10 Nm (37 ±7 librasڄpie)
16. Conecte el conector.
17. Instale la unidad de control.
18. Instale los tornillos.
© 2016 Mack Trucks, Inc. La información está sujeta a cambios sin aviso previo.
Página 3/6
DTC:
P207F-00
Boletín:
Fecha:
GDC18-032
20 de febrero de 2020
19. Apriete los tornillos. Módulo, sensor NOx: 10 ±2 Nm (7 ±1 librasڄpie)
20. Instale la placa.
21. Instale los tornillos.
22. Instale las correas. El radio de curvatura del cable no debe ser inferior al valor especificado. Cable,
UDGLR•PP •SXOJDGDV
23. Conecte el cable de batería al terminal negativo (tierra). Elimine DTC (Códigos de diagnóstico de problemas)
de acuerdo con las instrucciones de la herramienta de diagnóstico (Premium Tech Tool).
24. Retire los bloqueos de las ruedas.
© 2016 Mack Trucks, Inc. La información está sujeta a cambios sin aviso previo.
Página 4/6
DTC:
P207F-00
Boletín:
Fecha:
GDC18-032
20 de febrero de 2020
Sensor NOx, Reemplazo (KS2)
1. Conecte el conector.
2. Apriete el sensor. Sensor, tuerca de brida: 50 ±10 Nm (37 ±7 librasڄpie)
3.
4.
5.
6.
Conecte el conector.
Instale la unidad de control.
Instale los tornillos.
Apriete los tornillos. Módulo, sensor NOx: 10 ±2 Nm (7 ±1 librasڄpie)
© 2016 Mack Trucks, Inc. La información está sujeta a cambios sin aviso previo.
Página 5/6
DTC:
P207F-00
Boletín:
Fecha:
GDC18-032
20 de febrero de 2020
7. Instale las correas. Condiciones: El radio de curvatura del cable no debe ser inferior al valor especificado.
&DEOHUDGLR•PP •SXOJDGDV
8. Coloque el compensador.
9. Conecte la amarra.
10. Asegure el compensador.
11. Conecte el cable de batería al terminal negativo (tierra).
12. Elimine DTC de acuerdo con las instrucciones de la herramienta de diagnóstico (Premium Tech Tool).
13. Retire los bloqueos de las ruedas.
Recursos adicionales
Es muy probable que estas reparaciones solucionen la falla identificada encierre; si esto no soluciona el
problema, se requerirá el uso de Tech Tool para diagnósticos más detallados. Si presenta una reclamación de
garantía, incluya el número de caso ASIST.
Código de trabajo
2589-03-02-65 KS1
0.5
2589-03-02-66 KS2
0.3
Pieza causal
22303390
22303384
© 2016 Mack Trucks, Inc. La información está sujeta a cambios sin aviso previo.
Página 6/6
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TSB/Document ID: U17_NOx_Conv1
Replacement Service Bulletin Number:
MFR Communication Date: 2020-03-10
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT
MFR Component System:
MFR Component Subsystem:
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