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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 >> B2337-Horn Control Circuit High >> 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 
(X4) HORN RELAY CONTROL CIRCUIT SHORTED TO VOLTAGE
HORN RELAY
INTEGRATED POWER MODULE (IPM)
FRONT CONTROL MODULE (FCM)
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