Horn Fails To Sound When Alarm Is Tripped - Dodge Ram 2004 Service Manual

VEHICLE THEFT/SECURITY
Symptom:

*HORN FAILS TO SOUND WHEN ALARM IS TRIPPED

DTC PRESENT
HORN CIRCUIT
INSTRUMENT CLUSTER - VTSS
TEST
1 Turn the ignition on.
With the DRBIII , read FCM DTC's.
Does the DRBIII display a HORN RELAY CONTROL CIRCUIT DTC active?
Yes → Refer to the Ignition, Power, Accessory category for the related
→ Go To 2
No
2 Does the horn operate from the horn button?
Yes → Replace and program the Instrument Cluster in accordance with
→ Refer to symptom Horns Inoperative in the Ignition, Power,
No
POSSIBLE CAUSES
ACTION
symptom(s).
Perform VTSS VERIFICATION TEST - 1A.
the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
Accessory category.
Perform VTSS VERIFICATION TEST - 1A.
524
APPLICABILITY
All
All