The horn stopped responding with the beep of the horn to the remote when locking the car. then the horn stopped working from mashing the steering wheel horn spots. i pulled and replaced the fuses checking them, I was retrying the remote and horn spots on the steering wheel and it all started working ok again. that was several moths ago. now it has happened again, remote unlocks / locks doors and blinks lights but no horn beep and the horn does not work from the steering wheel spots pushed.
Did you check the horn relay ?
Horn
The horn system consists of the following components:
VEHICLE RELAYS Operation Diagnosis
The horn relay is supplied with constant voltage from the battery junction box (BJB) on circuit 30-DA1 (RD).
The horn switch shares the clockspring with the air bag circuits, although each of these systems work completely independent of each other.
Inspection and Verification
Visual Inspection Chart
Mechanical
Electrical
Symptom Chart
Condition
Possible Sources
Action
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