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Pinpoint Test E : The Traction Control System Is Inoperative Or Cannot Be Disabled: Notes

The Traction Control System Is Inoperative or Cannot Be Disabled 

Refer to Wiring Diagram(s) INSTRUMENT CLUSTER for schematic and connector information.

Normal Operation and Fault Conditions 

Traction control system status is relayed to the driver by the stability-traction control disabled indicator (sliding car OFF icon) in the IPC. When the driver deactivates traction control, the IPC sends a message to the BCM over the MS-CAN that the driver has requested the traction control to be disabled. The BCM, acting as a gateway, relays this message to the ABS module over the HS-CAN. The ABS module continues to monitor for excessive wheel spin, but no longer takes any action when a traction event is detected.

After receiving the message from the BCM, the ABS module sends a message to the BCM over the HS-CAN to illuminate the stability-traction control disabled indicator (sliding car OFF icon). The BCM, acting as a gateway, relays this message to the IPC over the MS-CAN. The IPC responds by illuminating the stability/traction control disabled indicator (sliding car OFF icon). Traction control remains deactivated until the driver changes the traction control state in the message center or until the ignition is cycled.

If equipped, MyKey® allows users to configure traction control to be either always on or selectable. If a MyKey® restricted key is in use with the MyKey® traction control feature configured to always on, traction control cannot be disabled. An admin key must be used to enable and disable traction control.

NOTE: For vehicles equipped with Intelligent Access (IA), this test requires the use of at least 2 Intelligent Access (IA) keys programmed to the vehicle, one admin Intelligent Access (IA) key and one restricted Intelligent Access (IA) key.
NOTE: For vehicles not equipped with Intelligent Access (IA), this test requires the use of at least 2 Integrated Keyhead Transmitters (IKTs) programmed to the vehicle, one admin Integrated Keyhead Transmitter (IKT) and one restricted Integrated Keyhead Transmitter (IKT).

Possible Causes 

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