DTC B1000 PPS
Diagnostic Instructions
DTC Descriptors
DTC B1000 00: Electronic Control Unit (ECU) Performance No Additional Information Available
Circuit/System Description
This diagnostic is specific to the passenger presence system (PPS) module. The internal fault detection is typically handled inside the control module, however the PPS module may set DTC B1000 due to other system malfunctions.
Conditions for Running the DTC
The module runs the program to detect an internal fault when power up is commanded. The only requirements are voltage and ground. This program runs even if the voltage is out of the valid operating range.
Conditions for Setting the DTC
The module has detected an internal malfunction or a specific sensor circuit may be shorted.
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. |
Diagnostic Aids
| • | DTC B1000 may set in the PPS module due to shorted circuits of the PPS pressure sensor or the seat belt tension sensor. |
| • | This DTC may be stored as a history DTC without affecting the operation of the module. |
| • | If stored only as a history DTC and not retrieved as a current DTC, do not replace the module. |
Circuit/System Verification
Ignition ON, with a scan tool, clear DTC. Verify DTC B1000 is not set as current in the PPS.
| ⇒ | If DTC is set as a current DTC, replace the PPS. |
Repair Instructions
Perform the
Diagnostic Repair Verification after completing the repair.
Control Module References for PPS replacement, setup, and programming
