This DTC identifies a malfunction within the sensing and diagnostic module (SDM).
This diagnostic procedure supports the following DTC:
DTC B1000 Internal SDM Failure
Ignition 1 voltage is within the normal operating voltage range.
An internal SDM malfunction exists.
The SDM commands the AIR BAG indicator ON.
The condition responsible for setting the DTC no longer exists and the scan tool Clear DTCs function is used.
Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: SIR Schematics Connector End View Reference: SIR Connector End Views | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | |
2 | Are other DTCs current in addition to B1000? | Go to applicable DTC. Refer to Diagnostic Trouble Code (DTC) List - Vehicle | Go to Step 3 |
3 |
Is the B1000 present? | Go to Step 4 | Go to Step 5 |
4 | Replace the sensing and diagnostic module (SDM). Refer to Inflatable Restraint Sensing and Diagnostic Module Replacement . Did you complete the replacement? | Go to Step 5 | |
5 |
Does the DTC reset? | Go to Step 2 | System OK |