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Home >> Chevrolet >> 2002 >> Venture Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 856 (Body Control System) >> Diagnostic Information and Procedures >> DTC B1556: EEPROM Error >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2002 Cadillac Seville. However, it is still accessible from the selected car via links, so may be relevant.

The instrument panel cluster (IPC) uses no external circuits for the operation that sets this DTC. The IPC stores 3 redundant copies of the vehicle odometer mileage within the EEPROM. The 3 EEPROM mileage records stored mileage records must agree.