GM Service Manual Online
For 1990-2009 cars only

DTC

Description

Type

The following DTCs will affect theft deterrent and PASS-Key 3 ® performance, always diagnose these DTCs before attempting to diagnose the theft deterrent or PASS-Key 3 ® systems:

B0686

Security System Indicator Circuit Range (Over Current)

PK3

B0687

Security System Indicator Circuit Range Low

PK3

B0688

Security System Indicator Circuit Range High

PK3

B0689

Security System Indicator Circuit Range Open

PK3

B1009

EEPROM Checksum ErrorColumn

PK3

B2955

Security System Sensor Data Circuit Malfunction

PK3

B2960

Security System Sensor Data Invalid But Legitimate

PK3