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Home >> Chevrolet >> 2004 >> Avalanche 2500 >> Repair and Diagnosis >> External Pages >> Different car >> Section 411 (Transfer Case - BW 4482-Nr4) >> Diagnostic Information and Procedures >> DTC C0329: Encoder Circuit Low >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2004 GMC Yukon XL and 2004 GMC Yukon. However, it is still accessible from the selected car via links, so may be relevant.

The transfer case shift control module can command the low side driver on the encoder signal return circuit not to pull the signal low. The module can then read the voltage on each of the encoder channel circuits. If the voltage is low a short to ground is indicated and the DTC is logged.