For 1990-2009 cars only
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 Descriptor
DTC B3101: Keyless Entry Data Link Circuit Range/PerformanceCircuit/System Description
The Onstar module communicates with the RKE module through the IPC. The IPC is the gateway connecting the Onstar and RKE. Using data link circuit the Onstar module can send a signal to RKE in order to control the door lock/unlock.
Conditions for Running the DTC
Battery voltage must be between 9-16 volts.
Conditions for Setting the DTC
The Onstar module did not receive the response from RKE module.
Action Taken When the DTC Sets
The Onstar module can not control the door lock/unlock.
Conditions for Clearing the DTC
The current DTC clears when the fault is no longer present.
Reference Information
Schematic Reference
Connector End View Reference
Description and Operation
Data Link Communications Description and Operation
Electrical Information Reference
Scan Tool Reference
Control Module References for scan tool information
Circuit/System Verification
Verify that the remote keyless entry door lock and unlock functions operate normal.
| ⇒ | If the remote keyless entry door lock and unlock functions do not operate normal refer to Symptoms - Keyless Entry. |
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
