For 1990-2009 cars only
Diagnostic Instructions
| • | 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. |
DTC Descriptors
DTC B1000 46: Trouble Code Memory FullCircuit/System Description
This DTC indicates the memory status of the inflatable restraint sensing and diagnostic module (SDM).
Conditions for Running the DTC
Ignition voltage is between 9-16 volts.
Conditions for Setting the DTC
The module has detected that the memory for recording DTCs has become full.
Action Taken When the DTC Sets
The module refuses all additional inputs.
Conditions for Clearing the DTC
| • | A current DTC clears when the malfunction is no longer present. |
| • | A history DTC clears when the module ignition cycle counter reaches the reset threshold of 100, without a repeat of the malfunction. |
Circuit/System Verification
- Ignition ON, verify that no current SDM DTCs exist.
| ⇒ | If any current DTCs are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle. |
Verify that DTC B1000 46 is not set as current.
| ⇒ | If DTC is set as a current, clear DTC. If DTC sets, replace the SDM. |
Repair Instructions
Perform the Diagnostic Repair Verification after completing the repair.
Inflatable Restraint Sensing and Diagnostic Module Replacement for SDM replacement, setup, and programming
