Chrysler Concorde 2004 Service Manual page 1108

BRAKES (CAB)
Symptom:
BUS SYSTEM COMMUNICATION FAILURE
When Monitored and Set Condition:
BUS SYSTEM COMMUNICATION FAILURE
When Monitored: Ignition ON, continuously.
Set Condition: When the CAB does not receive a message from the instrument cluster for
10 seconds.
INTERMITTENT CONDITION
ELECTRO-MECHANICAL INSTRUMENT CLUSTER DTC PRESENT
BUS CIRCUIT OPEN
CAB - INTERNAL FAILURE
TEST
1 Turn the ignition on.
With the DRBIII , read DTCs.
With the DRBIII , read Freeze Frame information.
With the DRBIII , erase DTCs.
Turn the ignition off.
Turn the ignition on.
With the DRBIII , read DTCs.
Does the DRBIII display BUS SYSTEM COMMUNICATION FAILURE?
Yes → Go To 2
No
2 Turn the ignition on.
With the DRBIII , read EMIC DTCs.
Does the DRBIII display NO MESSAGES FROM ABS?
Yes → Refer to symptom NO MESSAGES FROM ABS in the BODY/
No
POSSIBLE CAUSES
ACTION
→ Go To 4
INSTRUMENT CLUSTER category.
Perform ABS VERIFICATION TEST - VER 1.
→ Go To 3
12
APPLICABILITY
All
All