Circuit Tests
i06163188
Aftertreatment Identification
Module - Test
This procedure covers the following codes:
Table 147
Diagnostic Trouble Codes for the Aftertreatment Identification Module
J1939 Code PDL Code Code Description
(code descriptions may vary)
Comments
5576-2 3468-2 Aftertreatment #1 Identification Number Mod-
ule: Erratic, Intermittent, or Incorrect
The Electronic Control Module (ECM) detects the following
conditions:
The installed Clean Emissions Module (CEM) is not a certified
match with the engine.
There are no other active diagnostic codes for the aftertreatment
identification module.
There are no active 5 V supply diagnostic codes.
The ECM has been powered for 2 seconds.
“This is a violation of the emissions regulations, and may re-
sult in severe fines and/or legal action if not corrected immedi-
ately.” Do not operate the engine with the active fault.
Engine power is derated.
5576-8 3468-8 Aftertreatment #1 Identification Number Mod-
ule: Abnormal Frequency Pulse Width or
Period
The ECM detects the following conditions:
No signal is detected from the aftertreatment identification module.
There are no active 5 V supply diagnostic codes.
The ECM has been powered for 2 seconds.
Do not continue to operate the engine with the active fault.
Engine power is derated.
The aftertreatment identification module
communicates with the engine ECM to ensure that
the correct Integrated Clean Emissions Module
(IGCEM) is installed.
If the total operating hours of the engine are greater
than 100, the aftertreatment identification module will
cease to send the signal. The diagnostic codes that
are listed in Table 147 will be disabled.
268 UENR4469-36
Circuit Tests
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