NHTSA ID Number: 10173147
Manufacturer Communication Number: P054415
TSB/Document Date: 2020-04-02
Summary
Exhaust Gas Temperature Sensor Bank 1 Sensor 1 - Circuit Short To Battery or Open
DTC:
P0544-15
Bulletin:
Date:
Description:
Applies To:
GDC17-016
June 12, 2018
Exhaust Gas Temperature Sensor Bank 1 Sensor 1 Circuit Short To Battery or Open
US13 – US Emissions
For Spanish click here: ESPAÑOL
General Information
These repair instructions are intended to address the following fault(s):
DTC
P0544-15
Description
Exhaust Gas
Temperature
Sensor Bank 1
Sensor 1
Possible Cause
x
x
x
x
x
x
x
Connector
Open circuit, Signal wire
Open circuit, Ground wire
Short circuit to voltage supply, signal wire
Wiring harness between component connector
and electronic control unit (ECU) connector
Exhaust Gas Temperature (EGT) Sensor
Aftertreatment Control Module (ACM)
Possible (Observable)
Symptoms
Regeneration not possible
Required Parts
Part Number
Description
Quantity
21285163
Exhaust Gas Temperature (EGT) Sensor
1
Repair Instructions
Exhaust Gas Temperature (EGT) Sensor, Replacement
1.
2.
3.
4.
5.
6.
7.
8.
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.
Open the fairing (if applicable).
Disconnect the lanyard.
Remove the fairing.
© 2016 Mack Trucks
, Inc. Information is subject to change without notice.
Page 1/2
DTC:
P0544-15
Bulletin:
Date:
GDC17-016
June 12, 2018
9. Remove the cable ties.
10. Disconnect the connector.
11. Remove the sensor.
12.
13.
14.
15.
16.
17.
18.
19.
20.
Install the sensor.
Torque tighten the sensor. Tightening torque: 45 ±5 Nm (33 ±4 lbfڄft)
Connect the connector.
Install the cable ties.
Position the fairing (if applicable).
Connect the lanyard.
Latch the fairing.
Connect the battery cable to negative (ground) terminal.
Remove the wheel chocks.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
2589-03-02-03
0.5 – 0.7 (Depending on Model)
Causal Part
21285163
© 2016 Mack Trucks
, Inc. Information is subject to change without notice.
Page 2/2
DTC:
P0544-15
Boletín:
Fecha:
GDC18-032
20 de febrero de 2020
Banco 1 Sensor 1 de sensor de temperatura del
gas de escape - Circuito con cortocircuito a batería
o abierto
Emisiones de US13 - US
Descripción:
Se aplica a:
Para inglés, haga clic aquí: ENGLISH
Información general
Estas instrucciones de reparación están destinadas a abordar las siguientes fallas:
DTC
Descripción
Causa posible
x
x
x
x
P0544-15
Sensor 1 Banco 1 de
sensor de temperatura
del gas de escape
x
x
x
Conector
Circuito abierto, Cable de señal
Circuito abierto, Cable de conexión a tierra
Cortocircuito a suministro de voltaje, cable
de señal
Arnés de cableado entre conector de
componente y conector de unidad de
control electrónico (ECU)
Sensor de temperatura del gas de
escape (EGT)
Módulo de control de postratamiento
(ACM)
Posibles síntomas
(observados)
Regeneración no posible
Piezas necesarias
Número de pieza
21225020
Descripción
Sensor de temperatura del gas de escape (EGT)
Cantidad
1
NOTA: Antes de continuar, asegúrese de que TODOS los módulos electrónicos de control están actualizados y no
hay actualizaciones pendientes disponibles.
Instrucciones de reparación
Sensor de temperatura del gas de escape (EGT), Reemplazo
1.
2.
3.
4.
5.
6.
7.
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.
Abra el compensador (si es aplicable).
Desconecte la amarra.
© 2016 Mack Trucks
, Inc. La información está sujeta a cambios sin aviso previo.
Página 1/3
DTC:
P0544-15
Boletín:
Fecha:
GDC18-032
20 de febrero de 2020
8. Retire el compensador.
9. Retire las correas.
10. Desconecte el conector.
11. Retire el sensor.
12.
13.
14.
15.
16.
17.
18.
19.
20.
Instale el sensor.
Apriete el sensor. Torsión de apriete: 45 ±5 Nm (33 ±4 librasڄpie)
Conecte el conector.
Instale las correas.
Coloque el compensador (si es aplicable).
Conecte la amarra.
Asegure el compensador.
Conecte el cable de batería al terminal negativo (tierra).
Retire los bloqueos de las ruedas.
© 2016 Mack Trucks
, Inc. La información está sujeta a cambios sin aviso previo.
Página 2/3
DTC:
P0544-15
Boletín:
Fecha:
GDC18-032
20 de febrero de 2020
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
2589-03-02-03
0.5 – 0.6 (según la configuración)
Pieza causal
21225020
© 2016 Mack Trucks
, Inc. La información está sujeta a cambios sin aviso previo.
Página 3/3
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TSB/Document ID: P054415
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 ADAPTIVE/MOBILITY
MFR Component System:
MFR Component Subsystem:
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