No Pcm Message - Chrysler Town and Country 2003 Owner's Manual

Symptom:

NO PCM MESSAGE

When Monitored and Set Condition:
NO PCM MESSAGE
When Monitored: With ignition on, the Side Impact Airbag Control Module monitors the
PCI Bus for the PCM VIN message.
Set Condition: If the Side Impact Airbag Control Module fails to see the PCM message on
the PCI Bus for 15 seconds the code will set.
PCM, PCI COMMUNICATION FAILURE
NO PCM MESSAGE
STORED CODE OR INTERMITTENT CONDITION
ACTIVE CODE PRESENT
SIACM, NO PCM MESSAGE
TEST
1 NOTE: Ensure that the battery is fully charged.
NOTE: For the purpose of this test, the AECM and ORC modules will be
referred to as an ACM.
Turn the ignition on.
SELECT ONE:
LEFT SIACM - ACTIVE DTC
LEFT SIACM - STORED DTC
RIGHT SIACM - ACTIVE
RIGHT SIACM - STORED DTC
NOTE: When reconnecting Airbag system components, the ignition must be
turned off and the battery must be disconnected.
2 Connect the DRBIII to the data link connector and select PASSIVE RESTRAINTS,
AIRBAG, SYSTEM TEST.
With the DRBIII , read the PCM Active on the Bus:.
Does the DRB show PCM ACTIVE ON THE BUS?
Yes → Go To 3
→ Refer to category
No
POSSIBLE CAUSES
ACTION
Go To 2
Go To 5
Go To 2
Go To 5
COMMUNICATION CATEGORY and select
the related symptom.
Perform AIRBAG VERIFICATION TEST - VER 1.
119
AIRBAG
APPLICABILITY
All
All