B3794

DTC B3794

Circuit Description

The cruise control switch is an input to the body control module (BCM). The BCM monitors the cruise control set/coast and resume/accelerate switch signal circuit in order to detect when the driver has requested to perform a cruise control function. The BCM detects a specific voltage signal on the cruise control set/coast and resume/accelerate switch signal circuit when a switch is applied.

DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC B3794 Cruise Control Function Request Circuit

Conditions for Running the DTC

* The cruise switch is ON.
* The ignition is ON.

Conditions for Setting the DTC

* The BCM detects an invalid voltage signal on the cruise control set/coast and resume/accelerate switch signal circuit.
* The above condition is present for 0.5 seconds.

Action Taken When the DTC Sets

* The BCM stores the DTC information into memory when the diagnostic runs and fails.
* The malfunction indicator lamp (MIL) will not illuminate.
* The Cruise Control System is disabled.

Conditions for Clearing the DTC

* The DTC becomes history when the fault is no longer present.
* A History DTC clears after 100 malfunction free ignition cycles.
* The BCM receives a clear code command from the scan tool.

Diagnostic Aids

For an intermittent, Refer to Testing for Intermittent Conditions and Poor Connections in Diagnostic Aids. Component Tests and General Diagnostics

Test

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