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 B101D 08: Signal InvalidDTC B101D 0F: Erratic
DTC B101D 12: Below Minimum Threshold
DTC B101D 2B: Missing Reference
DTC B101D 37: Watchdog
DTC B101D 73: Pairity Failure
Circuit/System Description
When the ignition is turned ON, the passenger presence system module performs tests to diagnose critical malfunctions within itself. When the passenger presence system module has completed the power-up mode, the module will establish communication with other related modules. The module will set DTC B101D, and communicate with other related modules that an internal fault DTC has been set.
Conditions for Running the DTC
The ignition voltage is between 9-16 V.
Conditions for Setting the DTC
The passenger presence system module has detected an internal electrical malfunction.
Action Taken When the DTC Sets
Passenger presence system functions are disabled.
Conditions for Clearing the DTC
| • | The condition for setting the DTC is no longer present. |
| • | A history DTC clears after 100 malfunction-free ignition cycles. |
Reference Information
Schematic Reference
Connector End View Reference
Description and Operation
SIR System Description and Operation
Electrical Information Reference
Scan Tool Reference
Control Module References for scan tool information
Circuit/System Verification
Verify that DTC B101D is not set.
| ⇒ | If the DTC is set, replace the K85 passenger presence system module. |
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for passenger presence system replacement, setup, and programming
