GM Service Manual Online
For 1990-2009 cars only

Circuit Description

When the content theft deterrent (CTD) system arms, and the inclination sensor is enabled, the rear integration module (RIM) receives a power-up acknowledgement from the inclination sensor via the inclination sensor enable circuit.

DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC B2923 Content Theft System Inclination Sensor Signal Circuit

DTC Symptom

DTC Symptom Descriptor

56

Allowable number of events/transitions exceeded

Conditions for Running the DTC

    • The inclination sensor is enabled.
    • The CTD system has armed.

Conditions for Setting the DTC

The RIM does not receive the power-up acknowledgement from the inclination sensor.

Action Taken When the DTC Sets

The RIM will ignore all inputs from the inclination sensor for the remainder of the CTD system arming cycle.

Conditions for Clearing the MIL/DTC

DTC B2923 will be cleared if any of the following occur:

    • The RIM receives a power-up acknowledgement from the inclination sensor during the next CTD system arming cycle, and the inclination sensor is enabled.
    • You use the scan tool to clear DTCs.

Step

Action

Yes

No

Schematic Reference: Theft Deterrent System Schematics

Connector End View Reference: Theft Deterrent System Connector End Views

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

2

  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. Verify that DTC B2923 is set.

Is DTC B2923 set as current?

Go to Inclination Sensor Inoperative

Go to Testing for Intermittent Conditions and Poor Connections