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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1039 (Battery, Charging System And Starting System Diagnosis (DTC B1327-DTC P1638)) >> Diagnosis >> DTC P0A83 (ESB Fan Stuck On) >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The energy storage box (ESB) module provides a variable voltage signal to the ESB fan through the fan speed signal circuit. The ESB fan changes speed based on the voltage from the ESB module.

P0A82 is for the hybrid battery pack cooling fan stuck off.

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