LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jeep >> 2010 >> Commander Limited, 4WD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Front Control Module (FCM) - Electrical Diagnostics >> DTC Troubleshooting >> B2336-Horn Control Circuit Low >> Possible Causes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Possible Causes

Possible Causes 
(A43) FUSED B(+) CIRCUIT SHORTED TO GROUND
(X4) HORN RELAY CONTROL CIRCUIT SHORTED TO GROUND
(A1) / (A913) CIRCUIT OPEN TO HORN FUSE
(A43) FUSED B(+) CIRCUIT OPEN
(X4) HORN RELAY CONTROL CIRCUIT OPEN
HORN FUSE
HORN RELAY
INTEGRATED POWER MODULE (IPM)
FRONT CONTROL MODULE (FCM)