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Home >> Chrysler >> 2011 >> 300 Base, Gas >> Repair and Diagnosis >> External Pages >> Different car >> Section 438 (Vehicle System Interface Module (VSIM) Module - Electrical Diagnostics - 2500 Hd & 3500 Hd) >> Diagnosis And Testing >> B17D2-Emergency Flashing Lamp Request 2 Circuit High >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
REAR FLASHING LIGHTS SIGNAL CIRCUIT OPEN OR SHORTED TO VOLTAGE
AFTERMARKET LIGHT/SIREN CONTROLLER
VEHICLE SYSTEM INTERFACE MODULE (VSIM)
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