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Home >> Chrysler >> 2011 >> 300 Base, Gas >> Repair and Diagnosis >> External Pages >> Different car >> Section 863 (Vehicle System Interface Module (VSIM) Module - Electrical Diagnostics - 1500) >> Diagnosis And Testing >> B22A9-00-Ecu Internal Performance >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2015 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.

The Vehicle System Interface Module (VSIM) performs an internal self test. The repair of this fault condition does not involve any external circuitry and centers on verifying the integrity of the internal circuitry and software validity.

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