For 1990-2009 cars only
Circuit Description
The Powertrain Control Module (PCM) sends the EBCM a "State of Health" message via class 2 serial data communications. This message tells the EBCM, among other things, if the PCM has the ability to perform traction control.
Conditions for Running the DTC
The ignition is ON.
Conditions for Setting the DTC
The EBCM receives the State of Health message and learns that the PCM has lost the ability to perform traction control.
Action Taken When the DTC Sets
| • | The TRACTION OFF indicator is commanded on. |
| • | The Traction Control is disabled for as long as the malfunction is present. |
Conditions for Clearing the DTC
| • | Repair the condition(s) responsible for setting the DTC. |
| • | Use a scan tool in order to clear the DTC. |
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the ABS Diagnostic System Check? | -- | Go to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls 4.8L, 5.3L, and 6.0L. | Go to Diagnostic System Check |
