CBR-2131 202308

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USE FOR NEW VEHICLES (US21+OBD22 Emissions) Intermittent Diagnostic Trouble Codes U02A3,
U029D, U029E
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Vehicles manufactured with US21+OBD22 emissions, most often 2023
model year, may set the following Diagnostic Trouble Codes:
• U02A300 – PM sensor missing signal
• U029D00 – NOx Inlet (NOx1) sensor missing signal
• U029E00 – NOx Outlet (NOx2) sensor missing signal
This has been determined to be a software error in the timing of
component initialization at startup and occurs if the vehicle is started
immediately after Key On.
If these three codes above are coming active under the
conditions described above on an applicable vehicle:
Engine ECU (EMS) Software to correct this issue has been released as of
August 2022. Refer to CBR-2201 for more information.
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Tags
u02a300
u029d00
u029e00
volvo
Categories
Make and Model > Mack > CXU/CHU/PI - Pinnacle
Make and Model > Mack > LR
Make and Model > Volvo > VNL
Make and Model > Volvo > VNR
Make and Model > Volvo > VNX
Make and Model > Volvo > VAH
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Make and Model > Volvo > VHD
mack
Emission Standard > US21 > US21+OBD22
Make and Model > Mack > MRU/TE - TerraPro
Vehicle System > Emissions
Vehicle System > Control Systems
Make and Model > Mack > AN - Anthem
Make and Model > Mack > GU/GR - Granite
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