Loading...

NHTSA ID Number: 10173151

Manufacturer Communication Number: P10CE97

TSB/Document Date: 2020-04-02


Summary

Reductant Return: No Flow Detected - Componentor System Operation Obstructed or Blocked


P10CE-97

DTC:

Bulletin:
Date:

Description:
Applies to:

GDC18-058
June 13, 2018

Reductant Return: No Flow Detected - Component
or System Operation Obstructed or Blocked
US13 - US Emissions

For Spanish click here: ESPAÑOL
General Information
These repair instructions are intended to address the following fault(s):
DTC

Description
x

P10CE-97

Reductant
Return: No Flow
Detected

Possible (Observable)
Symptoms

Possible Cause

x
x
x

Restricted orifice in the aftertreatment fuel
manifold
Damaged hoses and/or connections
Aftertreatment Diesel Exhaust Fluid (DEF)
Pump
Blocked return line (damaged or frozen)

Aftertreatment DEF Pump
Bleed Orifice

Required Parts
Part Number

Description

Quantity

21577511

Diesel Exhaust Fluid (DEF) Pump Unit

1

Repair Instructions
Aftertreatment Diesel Exhaust Fluid (DEF) Pump Unit, Replacement
Before replacing the DEF Pump Unit please check for damaged return hoses and connectors.
1. Disconnect and clean the aftertreatment DEF lines between the DEF tank and the DEF pump using water and
compressed air. If the line is broken then it will have to be replaced.

© 2016 Mack TruckseBay logo, Inc. Information is subject to change without notice.

Page 1/4

DTC:

P10CE-97

Bulletin:
Date:

GDC18-058
June 13, 2018

Removal
1. Apply parking brake and place shift lever in neutral.
2. Remove all cables from ground (negative) battery terminals to prevent personal injury from electrical shock
and prevent damage to electrical components.
3. If equipped, remove the side fairing covering the Diesel Exhaust Fluid (DEF) tank.

4. Connect the coolant extractor to the drain fitting at the bottom of the radiator and drain the coolant. Special
tools: DBT2V700, 9996049. Note: An alternate method is to connect the coolant drain hose to the drain fitting
and drain the coolant into a suitable container.
5. Mark the DEF lines before removal. Place a suitable container under the DEF tank to catch fluid that may
drain from the pump. Remove the DEF inlet, backflow and outlet lines from the pump.
Note: For information on the handling of DEF, refer to “General Safety Practices”, Group 20.
Note: If inlet and backflow lines are switched, the system will not start.

1. DEF Inlet Line
2. DEF Backflow Line
3. DEF Outlet Line

© 2016 Mack TruckseBay logo, Inc. Information is subject to change without notice.

Page 2/4

DTC:

P10CE-97

Bulletin:
Date:

GDC18-058
June 13, 2018

6. Remove the inlet and outlet coolant lines from the pump. Place protective caps on the DEF and coolant
connectors.

1. Inlet Coolant Lines
2. Outlet Coolant Lines
7. Remove cable tie and disconnect the wiring harness from the DEF pump. Cover the electrical connector with
a plastic bag to protect from possible damage from the DEF.

1. Cable Tie
2. Wiring Harness

© 2016 Mack TruckseBay logo, Inc. Information is subject to change without notice.

Page 3/4

DTC:

P10CE-97

Bulletin:
Date:

GDC18-058
June 13, 2018

8. Remove the DEF pump from the tank by removing the fasteners along with the bracket.

1.Fasteners
2.Bracket
3.DEF Pump

Installation
1. Install fasteners to attach bracket and the DEF pump onto the tank. Tighten the fasteners to specification.
Refer to Specifications in Group 20.
2. Remove plastic bag from the electrical connector. Connect the wiring harness to the DEF pump and secure
the harness using a cable tie.
3. Install the inlet and outlet coolant lines onto the DEF pump.
4. Install DEF inlet, backflow and outlet lines onto the pump. Note: If inlet and backflow lines are switched, the
system will not start.
5. If equipped, install the side fairing that covers the DEF tank.
6. Install all previously removed cables to the ground (negative) battery terminals.
7. Fill the cooling system with the recommended coolant using the coolant extractor. Ensure the coolant system
is full. Special tools: DBT2V700
8. Use the diagnostic tool to purge the air out of the coolant heating system.
Additional Resources
These repairs are the most likely fix for the identified fault, 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
2581-03-02-01

0.8 - 1.0 (Depending on Model)

Causal Part

21577511

© 2016 Mack TruckseBay logo, Inc. Information is subject to change without notice.

Page 4/4

P10CE-97

DTC:

Boletín:
Fecha:

Descripción:

Se aplica a:

GDC18-032
20 de febrero de 2020

Retorno del reductor: No se detecta flujo Funcionamiento de componente o sistema
obstruido o bloqueado
Emisiones de US13 - US

Para inglés, haga clic aquí: ENGLISH

Información general
Estas instrucciones de reparación están destinadas a abordar las siguientes fallas:
DTC

Descripción
x

P10CE-97

Retorno del
reductor: No se
detecta flujo

Posibles síntomas
(observados)

Causa posible

x
x
x

Orificio restringido en el múltiple de
combustible de postratamiento
Mangueras y/o conexiones dañadas
Bomba de fluido de escape diésel de
postratamiento (DEF)
Línea de retorno bloqueada (dañada
o congelada)

Orificio de purga para
bomba de DEF de
postratamiento

Piezas necesarias
Número de pieza
21577507

Descripción
Unidad de bomba de fluido de escape
diésel (DEF)

Cantidad
1

Instrucciones de reparación
Unidad de bomba de fluido de escape diésel de postratamiento (DEF), Reemplazo

Antes de reemplazar la unidad de bomba de DEF, revise mangueras de retorno y conectores dañados.
1. Desconecte y limpie las líneas de DEF de postratamiento entre el tanque de DEF y la bomba de DEF,
usando agua y aire comprimido. Si la línea está rota, tendrá que ser reemplazada.

© 2016 Mack TruckseBay logo, Inc. La información está sujeta a cambios sin aviso previo.

Página 1/4

DTC:

P10CE-97

Boletín:
Fecha:

GDC18-032
20 de febrero de 2020

Desinstalación
1. Aplique el freno de estacionamiento y coloque la palanca de cambios en punto muerto.
2. Retire todos los cables de los terminales negativos (tierra) de la batería para evitar lesiones por descargas
eléctricas y daños en los componentes eléctricos.
3. Si está equipado, retire el compensador lateral que cubre el tanque de fluido de escape diésel (DEF).

4. Conecte el extractor de refrigerante a la conexión de drenaje en la parte inferior del radiador y drene el
refrigerante. Herramientas especiales: DBT2V700, 9996049. Nota: Un método alternativo es conectar
una manguera de drenaje del refrigerante a la boquilla de drenaje y drenar el refrigerante en un
contenedor adecuado.
5. Marque las líneas de DEF antes de retirarlas. Ubique un contenedor adecuado bajo el tanque de DEF para
capturar el fluido que pueda drenarse desde el tanque. Retire las líneas de entrada, flujo trasero y salida de
DEF desde la bomba.
Nota: Para obtener información sobre la manipulación de DEF, consulte “Prácticas de seguridad generales”, Grupo
20.
Nota: Si las líneas de entrada y flujo trasero están cambiadas, el sistema no encenderá.

1. Línea de entrada de DEF
2. Línea de flujo trasero de DEF
3. Línea de salida de DEF

© 2016 Mack TruckseBay logo, Inc. La información está sujeta a cambios sin aviso previo.

Página 2/4

DTC:

P10CE-97

Boletín:
Fecha:

GDC18-032
20 de febrero de 2020

6. Retire las líneas de entrada y salida de refrigerante desde la bomba. Ponga tapas protectoras en los
conectores de DEF y refrigerante.

1. Líneas de entrada de refrigerante
2. Líneas de salida de refrigerante

7. Retire las correas y desconecte el arnés de cableado de la bomba de DEF. Cubra el conector eléctrico con
una bolsa plástica para protegerlo de daños posibles por DEF.

1. Correas
2. Arnés de cableado

© 2016 Mack TruckseBay logo, Inc. La información está sujeta a cambios sin aviso previo.

Página 3/4

DTC:

P10CE-97

Boletín:
Fecha:

GDC18-032
20 de febrero de 2020

8. Retire la bomba de DEF desde el tanque al sacar los sujetadores junto con el soporte.

1. Tornillos
2. Soporte
3. Bomba de DEF

Instalación
1. Instale sujetadores para conectar el soporte y la bomba de DEF con el tanque. Ajuste los sujetadores de
acuerdo a las especificaciones. Consulte las Especificaciones en el Grupo 20.
2. Retire la bolsa de plástico desde el conector eléctrico. Conecte el arnés de cableado a la bomba de DEF
y asegure el arnés con una correa.
3. Instale las líneas de entrada y salida de refrigerante en la bomba de DEF.
4. Instale las líneas de entrada, flujo trasero y salida de DEF en la bomba. Nota: Si las líneas de entrada y flujo
trasero están cambiadas, el sistema no encenderá.
5. Si está equipado, instale el compensador lateral que cubre el tanque de DEF.
6. Instale todos los cables que había quitado anteriormente a los terminales negativos (tierra) de la batería.
7. Llene el sistema de refrigeración con el refrigerante recomendado mediante un extractor de refrigerante.
Asegúrese de que el sistema de refrigerante esté lleno. Herramientas especiales: DBT2V700
8. Utilice la herramienta de diagnóstico para purgar el aire del sistema de calefacción de refrigerante.
Recursos adicionales
Es muy probable que estas reparaciones solucionen la falla identificada; 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
2581-03-02-01

1.0

Pieza causal

21577507

© 2016 Mack TruckseBay logo, Inc. La información está sujeta a cambios sin aviso previo.

Página 4/4

1

SaleBestseller No. 1
Autel Scanner MaxiCOM MK900BT, 2026 MK900-BT V2.0 Bidirectional Diagnostic Tool, 8in Up of MK900 MX900 MK808S MK808BT MX808S MK808Z, 3000+ Active Tests, 40+ Service, CAN-FD&DOIP, All System, FCA 11 OS
  • 💯【Conta.ct us for Support Directly】If you met any...
  • 🔥🔥🔥【2026 AUTEL FLAGSHIP MK900BT MK900-BT, NEW...
  • 🚗【3000+ ACTIVE TESTS (50➡3000+), SAME AS MS...
  • 🚗【40+ HOT SERVICES FOR 150 MAKES (28+➡40+)】Full...
  • 🚗【OE ALL SYSTEM DIAGNOSE, AUTO SCAN 2.0: SCAN LICENSE...
SaleBestseller No. 2
Autel Professional OBD2 Scanner AL319 Code Reader, Enhanced Check and Reset Engine Fault Code, Live Data, Freeze Frame, CAN Car Diagnostic Scan Tools for All OBDII Vehicles After 1996, 2026 Upgraded
  • 【TURN OFF CEL】 This AL319 car scanner diagnostic tool...
  • 【EXTENSIVE APPLICATION】 Autel AL319 Compatible with...
  • 【FOR END USER & DIYERS】 This error code reader AL319 is...
  • 【USER-FRIENDLY DESIGN】 This OBD2 scanner and check...
  • 【HIGH-QUALITY SERVICES】 12 months war.ranty from the...

Last update on 2026-06-12 / Affiliate links / Images from Amazon Product Advertising API


 

If the PDF is very large, it may not load in the preview below.

Download PDF [239.88 KB]


Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.

If the TSB PDF does not show, download or view it on the NHTSA Website.

Click on the (+) Plus Sign

Then Click on Associated Document(s)


Search NHTSA Database for Recalls

View Latest Recalls


Search NHTSA Database for Vehicle Investigations

View Latest Vehicle Investigations


Search NHTSA Database for Vehicle Complaints

View Latest Vehicle Complaints


TSB/Document ID: P10CE97

Replacement Service Bulletin Number:

MFR Communication Date: 2020-03-10

MFR Internal Campaign ID/Software Version:

Communication Type: Service Bulletin/Repair Instructions

NHTSA Components: ENGINE AND ENGINE COOLING

MFR Component System:

MFR Component Subsystem:


Previous TSB

Next TSB



SaleBestseller No. 1
OTOFIX D1 Lite 2026 Bidirectional Scan Tool, Bluetooth OBD2 Scanner Diagnostic Tool, 2 Years Free Update, 38+ Services, CANFD & DoIP Protocols, All System Diagnoses, ABS Bleeding, Auto VIN
  • 🎉[OTOFIX D1 Lite, Perfect Cost-effective Diagnostic Tool]: OTOFIX D1 Lite, a newest bidirectional scan tool from OTOFIX company, is a great choice for DIYers and repair shops. 👉This obd2 scanner diagnostic tool packs all practical functions: OE level all systems diagnoses, Bi-Directional Control, 38+ reset services fixing 99% of common problems, support DoIP & CANDF protocols and FCAeBay logo AutoAuth, high-end hardware configuration. Worldwide vehicles and 🔥2 Years Free Updating🔥 covered.
  • 🎉[Bi-Directional Scan Tool, Active Test]: OTOFIX D1 Lite bluetooth obd2 scanner can also command ECUs and monitor the operation of the actuators to track down the problems of certain parts, like windows, sunroof, wipers, fuel pumps, etc., saving repair time & trouble. This makes OTOFIX D1 Lite the most cost-effective bidirectional scan tool.
  • 🎉[2026 Newest, 38+ Hot Reset Functions]: Equipped with 38+ reset functions in one, the OTOFIX D1 lite automotive scanner diagnostic tool allows you to troubleshoot 99% of common vehicle problems. You can use this car diagnostic scanner holding enough functions to easily repair common vehicle models in your repair shops. Including Oil Reset, Injector Coding, Throttle, DPF Reset, SCR Reset, Gear Learning, Clutch Learning, Suspension, etc. Note* Reset functions vary by model.
  • 🎉[OE Level Full Systems Diagnostics]: Unlike the 2-system and 4-system diagnostic tools, the OTOFIX auto scan tool can complete comprehensive system diagnostics within 5 minutes. It accesses and scans all available onboard systems like for Engine /AT /ABS /EPB /BMS /TPMS /SRS /SAS /Audio System /BCM /Air Conditioning / etc., to read & clear codes, view live data, and check ECU information. Note: Active test is not involved.
  • 🎉[Powerful Hardware Configuration]: Designed with a fashion appearance & a 7” touchscreen and a weight of 463g, this OTOFIX D1 Lite OBD2 diagnostic scanner scan tool is convenient for everywhere and easy to use & store. Android9.0 OS and 2+64GB memory enhance multi-task smoothness and diagnostic operation, no more wasting too much time. 5800mAh battery allows hours-lasting use. WiFi & VCI1 also bring faster communication for your diagnostics.
SaleBestseller No. 2
OTOFIX D1 Lite Bidirectional Scan Tool with 2-Year Free Updates, 2026 New All System Automotive Diagnostic Scanner, 38+ Reset Services, FCA AutoAuth, Active Test, CANFD&DOIP, Auto VIN
  • 🏆【2026 TOP OBD2 Scanner Diagnostic Tool】OTOFIX D1 Lite wireless obd2 scanner has upgraded hardware configuration and car coverage. The newly upgraded D1 Lite with 🔥OS Android 9.0🔥1.5Ghz 4 core high efficiency processor🔥2GB RAMeBay logo+64GB ROM large storage🔥5800mAh large battery, more stable and longer lasting diagnostics🔥 38+ Reset🔥action tests🔥full system diagnostic🔥Supports MV105 endoscope🔥21+ Language Supports🔥100000+ vehicle coverage to meet all your daily maintenance needs.
  • 👍【Bi-Directional Control / Active Test】D1 Lite obd2 scanner has bidirectional control(worth $300+), which is the most beloved feature among mechanic. If your headlights or car windows are broken, going to a repair shop will cost a lot of money. You can use D1 Lite to send execution commands to the ECU module and identify the repair status. Such as ABS, car windows, doors, valves, wipers, headlights, etc., effectively shorten diagnostic time and reduce diagnostic costs.
  • 🔥【All Systems Diagnostics, In-depth Checking】This advanced OBD2 Scanner D1 Lite can perform OE-level diagnosis of all systems including engine, transmission, airbag, ABS, ESP, TPMS, gateway, steering, radio, and air conditioning for more than 100 brands. This diagnostic scanner supports essential functions, such as reading ECU version info, reading and clearing fault codes, and reading data streams.With just a simple click, it provides you with accurate and in-depth diagnostics.
  • 🏆【38+ Reset Hot Functions】For repair workshops, holding an OTOFIX D1 Lite Auto scanner is a strong advantage over others. Its 38+ maintenance functions provide various solutions for all module repairs, including Oil Reset, TPMS Reset, Injector Coding, Suspension, Throttle Matching, etc., which will usher your repair business to a new pinnacle. Continuously updating will never make the functionality & compatibility out-of-date.
  • 🏆【150+ Models, 10000+ Car Coverage & 16 Languages】D1 Lite is a comprehensive car diagnostic scan tool, help you to troubleshoot car issues fast for 95% US, European, Asian auto makes. ✅ With frequent updates and optimizations allow D1 Lite to cover more vehicles to meet your needs. ✅ Multilingual menu allows auto mechanics around the world to use it without language barriers. 🚩Note: Kindly send us the S/N of the device to authorize new language updates before changing the menu language.
SaleBestseller No. 3
OTOFIX D1 ECU Coding Diagnostic Scanner for Car, 2-Year Free Update,2026 Bi-Directional Scan Tool with All Systems Diagnosis,40+ Resets, FCA AutoAuth, CAN FD & DoIP, Upgraded of D1 Lite
  • 2026 Newest Wireless Bluetooth Scan Tool D1: OTOFIX D1 Diagnostic scanner is upgraded version with Enhanced Hardwares & Newest Functions, FASTER and SMARTER! ✅Alternative Bluetooth 5.0 +USB connect✅2G+64GB✅Android 9.0 OS✅5G & 2.4 GHz Dual WiFi✅5800mAh battery👍VAG Guided Function👍ECU Online Coding👍CANFD&DOIP👍40+ Services👍Bi-Directional Control👍Full Systems Diagnose👍2 Years Free Update👍150+ Vehicle Coverage🎁Contact to get gift: otofixaftersales-amz@ outlook.com
  • ECU Coding to Unlock the Hidden Features: OTOFIX D1 obd2 scanner diagnostic tool newly adds ECU Coding which can Online Coding(ONLY for VWeBay logo/Au.di/Sk0da), Variant Coding/Offline Programming, Flash Hidden Functions, Reset Adaptive Data, Match Replaced Components, Customize OE-Settings. Such as: halogen fog lamps retrofitted with xenon fog lamps, different capacity battery retrofit, disbale auto start-stop, sunroof initialization, injector calibration, etc. PS: Coding functions vary by model&year.
  • Full Bidirectional Control for Active Car Tests: The D1 OTOFIX scanner also offers bi-directional control, allowing you to perform powerful active tests on car subsystems. This means that you can check the working status and functionality of open & close solenoids, energize injectors, turn cooling fan on & off, and more, all from the device itself.🚩The D1 bi-directional obd2 scanner can quickly help you to check if a system or component goes well,Improving 200% Efficiency.**Note that Active Tests available depend on the make/model/year of your car.
  • 40+ Popular Maintenance Functions: OTOFIX D1 obd scanner for car performs 40+ hot services, including Oil Reset, EPB, TPMS, BMS, E.GR, G.PF, D.PF, SAS Calibration, ABS Bleeding, Injector Coding, Gearbox Match, Suspension, Crankshaft Relearn, Power Balance, etc., still growing. Great choice for DIYers, technician, repair shop. 🚩Get MORE special functions from "Car Brand>System>Service". Check compatibility before purchase via 📧 otofixaftersales-amz@ outlook.com.
  • OE-Level All Systems Diagnostic + One-Click AutoVIN & AutoSCAN: OTOFIX D1 scanner automotriz gives you the ability to troubleshoot entire car systems including engion system,transmission system,body system,chassis,etc. 🚩One of the standout features of the D1 obd2 scanner diagnostic tool is the one-click AutoVIN & AutoScan function. This feature allows you to quickly and easily scan all diagnosable ECUs with just one click, and identify any problems hidden in your vehicle's systems.

Last update on 2026-06-12 / Affiliate links / Images from Amazon Product Advertising API


 

This product presentation was made with AAWP plugin.

Share to...