Possible Causes

HORN RELAY

BODY CONTROL MODULE INTERNAL MALFUNCTION

OPEN HORN SWITCH

HORN/RADIO CONTROL MUX CIRCUIT OPEN

CLOCKSPRING

HORN/RADIO CONTROL MUX CIRCUIT OPEN

BODY CONTROL MODULE INTERNAL MALFUNCTION

OPEN FUSE #8

JUNCTION BLOCK - OPEN FUSED B(+) CIRCUIT

JUNCTION BLOCK - OPEN HORN RELAY CONTROL CIRCUIT

BODY CONTROL MODULE INTERNAL MALFUNCTION

HORN RELAY

JUNCTION BLOCK - OPEN HORN RELAY OUTPUT CIRCUIT

OPEN HORN RELAY OUTPUT CIRCUIT

OPEN GROUND CIRCUIT

OPEN HORN