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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 626 (Cruise Control System) >> Diagnostic Information & Procedures >> DTC P0567: Resume/Accel Switch ON For Longer Than 90 Seconds >> Circuit Description

Circuit Description

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

The Cruise Resume/Accel switch is an input to the Throttle Actuator Control (TAC) Module. This cruise control information is supplied to the PCM via serial data. This allows the PCM and TAC module to control and hold a requested speed. The Cruise Resume/Accel switch sends an ignition positive voltage signal to the TAC module when the switch is applied. This DTC sets if the TAC module senses a voltage on the Resume/Accelerate switch signal circuit when voltage is not expected.

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