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Home >> Chevrolet >> 2001 >> Cavalier LS, 2.2 4 >> Repair and Diagnosis >> External Pages >> Different car >> Section 198 (Data Link Communication System) >> Diagnostic Information and Procedures >> DTC U1300, U1301, or U1305 >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2004 Pontiac Sunfire and 2004 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.

Each control module connected to the class 2 serial data circuit monitors the voltage on the circuit. If a control module detects the class 2 serial data circuit is open or shorted for 3 seconds, all other class 2 serial communication DTCs are inhibited and DTC U1300, U1301, or U1305 will set.

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