DTC B1000 is an indication of an internal inflatable restraint sensing and diagnostic module (SDM) malfunction. The internal malfunction is detected within the SDM. No external circuits are involved.
Ignition 1 voltage is within the normal operating voltage range.
The SDM detects either a write error malfunction or a checksum memory malfunction.
The SDM turns the AIR BAG indicator ON.
DTC B1000 is a latched DTC. You cannot clear a latched DTC. Replace the SDM after following the instructions in the diagnostic table.
DTC B1000 is an indication of an internal SDM malfunction. Replace the SDM.
Step | Action | Yes | No |
---|---|---|---|
1 | Did you perform the Diagnostic System Check - SIR? | Go to Step 2 | |
2 | Replace the SDM. Refer to Inflatable Restraint Sensing and Diagnostic Module Replacement . Did you complete the replacement? | Go to Step 3 | -- |
3 |
Does the DTC reset? | Go to Step 2 | System OK |