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 3A: Incorrect ECU InstalledDTC B101D 00: ECU Internal Failure
DTC B101D 1A: ECU Reference Cap Failure
DTC B101D 36: ECU EPROM Failure
DTC B101D 32: ECU Stack Overflow
DTC B101D 13: ECU Temperature Sensor High
DTC B101D 14: ECU Temperature Sensor Low
DTC B101D 04: ECU Temperature Sensor Open
Circuit/System Description
When the ignition is turned ON, the passenger presence system (PPS) module performs tests to diagnose critical malfunctions within itself. When the PPS 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 volts.
Conditions for Setting the DTC
The PPS module has detected an internal electrical malfunction.
Action Taken When the DTC Sets
PPS functions are disabled.
Conditions for Clearing the DTC
| • | The condition for setting the DTC is no longer present. |
| • | A history DTC clears after 250 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 PPS module. |
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for PPS replacement, setup, and programming
