Brakes (Cab); Bus System Communication Failure - Dodge 2004 Neon SX2 Diagnostic Manual

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
→ Go To 4
No
2 Turn the ignition on.
With the DRBIII , read EMIC DTCs.
Does the DRBIII display ABS MESSAGE NOT RECEIVED?
Yes → Refer to symptom ABS MESSAGE NOT RECEIVED in the
→ Go To 3
No
POSSIBLE CAUSES
ACTION
BODY/INSTRUMENT CLUSTER category.
Perform ABS VERIFICATION TEST - VER 1.
10
APPLICABILITY
All
All