GM Service Manual Online
For 1990-2009 cars only

Description

Module

DTC B2947 Security System Sensor Power CKT Low

BCM

DTC B2948 Security System Sensor Power CKT High

BCM

DTC B2957 Security System Sensor Data Circuit Low

BCM

DTC B2958 Security System Sensor Data Circuit High

BCM

DTC B2960 Sec Sys Sensor Data Incorrect but Valid

BCM

DTC B2973 LF Door Key Switch Circuit Low

BCM

DTC B3031 Security System Controller in Learn Mode

BCM

DTC B3033 Security System Indicates Tamper

BCM