U17_P040200

DTC (Code)
Codigo:
Bulletin:
P0402 - 00
RD18-002
Date Fecha: June 17, 2019
Description:
Engine Exhaust Gas Recirculation Differential Pressure Mechanical system not responding properly
Application:
US13 – US20 Emissions
General Information
These repair instructions are intended to address the following fault(s):
DTC
Description
P0402-00
Engine Exhaust Gas
Recirculation
Differential Pressure
- Mechanical system
not responding
properly
Possible Cause
•
•
•
•
•
Connector
Wiring harness
EGR Valve
Charge air system leakage
EGR differential pressure sensor
Possible (Observable)
Symptoms
EGR mass flow above
calculated value
Required Parts
Part Number
Description
Quantity
22172068
EGR Differential Pressure Sensor
1
Repair Instructions
EGR Differential Pressure Sensor, Replacement
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 gear lever in neutral.
Install the wheel chocks.
Disconnect the cable from the battery's negative terminal.
CAUTION: Risk of material damage. Failure to secure loose material in the cab before tilting can result in
material damage. Secure all loose material within the cab before tilting.
CAUTION: Risk of material damage. Damage may occur to the cab. Make sure that there is adequate space in
front of the vehicle before tilting the cab. WARNING: Risk of serious injury. A cab that is not tilted to the end
position constitutes a safety risk. Always tilt the cab to the end position. Never perform any work under the cab
before it has been tilted to the end position.
6. Raise the cab.
© 2016 Information is subject to change without notice.
Page 1 of 3
DTC (Code)
Codigo:
P0402 - 00
Bulletin:
RD18-002
Date Fecha: June 17, 2019
7. Disconnect the connector.
8. Remove the screws.
9. Remove the pressure sensor.
10. Verify the presence of the sealing rings (1).
11. Position the sensor.
12. Install the screws.
© 2016 Information is subject to change without notice.
Page 2 of 3
DTC (Code)
Codigo:
Bulletin:
P0402 - 00
RD18-002
Date Fecha: June 17, 2019
13. Tighten the screws to torque.
Tightening torque: Pressure sensor, screw 20 ±3 Nm (15 ±2 lbf⋅ft)
14. Connect the connector.
15. Connect the battery cable to negative (ground) terminal.
16. Delete the DTC (Diagnostic Trouble Code) according to the diagnostic tool (Premium Tech Tool) instructions.\
17. Start the engine (III).
18. Check the repair for leaks.
19. Turn off the engine.
20. Lower the cab. Note: Ensure that the cab locks engage.
21. 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
2939-03-02-01
0.4
Causal Part
22172068
© 2016 Information is subject to change without notice.
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