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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 67 ((Cabin Compartment Node (CCN) - Electrical Diagnostics)) >> Diagnosis and Testing >> U1191-Lost Communication With Upper Switch Bank - 3500 Cab & Chassis, 4500, 5500 >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2011 RAM Pickup and 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
(D506) LIN BUS CIRCUIT OPEN
(A909) FUSED B+
(Z911) GROUND CIRCUIT OPEN
UPPER SWITCH BANK
CLUSTER