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Home >> Jeep >> 2009 >> Commander Overland, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 123 ((Front Control Module (FCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> B2336-Horn Control Circuit Low >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2009 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
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)