• | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. |
• | Review Strategy Based Diagnosis for an overview of the diagnostic approach. |
• | Diagnostic Procedure Instructions provides an overview of each diagnostic category. |
The control module runs a program to detect an internal fault when power up is commanded.
Ignition ON.
The control module has detected an internal malfunction.
The control module refuses all additional inputs.
• | A current DTC clears when the malfunction is no longer present. |
• | A history DTC clears in all of the modules except the sensing and diagnostic module (SDM), when the ignition cycle counter reaches the reset threshold, without a repeat of the malfunction. |
• | If the code is set in the SDM it will never clear and the Air Bag indicator will remain illuminated. |
Data Link Communications Description and Operation
Control Module References for Scan Tool Information
Verify that DTC B1000 is not set.
⇒ | If the DTC is set, perform the setup procedure on the control module. If the DTC resets replace the control module. |
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for control module replacement, setup, and programming