KC-168
Service Bulletin Details
Public Details for: KC-168
Mack chassis - diagnostic trouble code ( dtc ) P0420 illuminating the malfunction indicator lamp (mil) - us17+obd16 and us17+obd18 (ghg17) emissions (common rail fuel system) - commonly model years 2018 and 2019
Models from 2019
Models from 2018
11/30/21, 1:57 PM
Article
Mack Chassis - Diagnostic Trouble Code ( DTC )
P0420 Illuminating The Malfunction Indicator
Lamp (MIL) - US17+OBD16 And US17+OBD18
(GHG17) Emissions (Common Rail Fuel System) Commonly Model Years 2018 And 2019
Internal Content
Verify the chassis emissions level
- Details can be found in the Product Details box on the Product tab in
PTT as seen below:
Review the Detailed Status Information for the
relevant code on the DTC Readout.
Once the chassis is confirmed to be US17+OBD16 or
; US17+OBD18:
Live UI
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- Software improvements have been released to address this code.
- Refer to FSB 284-067 Engine Control Module (EMS) and
Aftertreatment Control Module (ACM), Reprogramming.
• The bulletin can be found under the Service tab in Impact by
searching for either the FSB number, or by reviewing the
articles under Function Group 284.
• If the article does not appear when searched with either VIN
or Chassis information entered, search by model:
1. Clear any chassis information from the Search box.
2. Select or enter the applicable model.
3. Make sure Title is selected in the Search By field. Enter
"FSB 284-067" in the text entry field.
4. Press the Search button. The operation will appear in
the results window.
; Live UI
5. Mutiple article choices will appear. Find the Operation
for the correct Chassis.
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○ Note: It is possible that more than one choice will
have the same title (as shown below). Despite having
the same title, the Operations are different and should
be reviewed to locate the correct procedure.
If software is current according to the bulletin, the code should
only be diagnosed if the Confirmed Status is True, as shown above. If
status is False, the code should be cleared and the vehicle released.
If other symptoms or related codes are present, normal
diagnostics will need to be performed to determine the cause.
; Live UI
Tags
p0420 00
k55905221
p042000
mack
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Tags
p0420-00
k55905221
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