Bus Messages Missing - Chrysler Concorde 2004 Service Manual

Symptom:

BUS MESSAGES MISSING

When Monitored and Set Condition:
BUS MESSAGES MISSING
When Monitored: With the ignition on, while the EVIC is performing a series of tests on
the microprocessor, compass coil, and internal circuitry.
Set Condition: The code will be set, if during the self test the EVIC does not receive PCI
bus messages from the BCM, MIC or PCM.
BCM COMMUNICATION FAILURE
PCM COMMUNICATION FAILURE
MIC COMMUNICATION FAILURE
OVERHEAD - BUS MESSAGES MISSING
TEST
1 Turn ignition on.
With the DRBIII , select BODY, BODY COMPUTER
Is there a response from the Body Computer?
Yes → Go To 2
→ Refer to symptom BUS (+) BUS (-) SIGNALS OPEN FROM BCM
No
2 Turn ignition on.
With the DRBIII , select BODY, BODY COMPUTER, SYSTEM TEST.
Does the DRB display PCM ACTIVE ON THE BUS?
Yes → Go To 3
→ Refer to symptom NO RESPONSE FROM PCM (PCI BUS) in the
No
3 Turn ignition on.
With the DRBIII , select BODY, ELECTRO/MECH CLUSTER.
Is there a response from the Mechanical Instrument Cluster?
Yes → Go To 4
→ Refer to symptom BUS (+) BUS (-( SIGNALS OPEN FROM MIC
No
4 If there are no possible causes remaining, view repair.
Repair
POSSIBLE CAUSES
ACTION
in the COMMUNICATION category.
Perform BODY VERIFICATION TEST - VER 1.
COMMUNICATION category.
Perform BODY VERIFICATION TEST - VER 1.
in the COMMUNICATION category.
Perform BODY VERIFICATION TEST - VER 1.
Replace the Overhead Console.
Perform BODY VERIFICATION TEST - VER 1.
OVERHEAD CONSOLE
461
APPLICABILITY
All
All
All
All