Diagnostic Trouble Code Definitions
WARNING: This page is about a different car, the 2002 GMC Savana, 2002 Chevrolet Chevy Express, 2001 GMC Savana, and 2001 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE DEFINITIONS
| DTC (1) | Description | Perform Test | ||
|---|---|---|---|---|
| B0688 | Security Indicator Circuit Fault | B0688 | ||
| B1007 | Checksum Value Error | B1007 | ||
| B2947 | Passlock(tm) Sensor Power Circuit Low | B2947 | ||
| B2948 | Passlock(tm) Sensor Power Circuit High | B2948 | ||
| B2957 | Passlock(tm) Sensor Data Circuit Low | B2957 | ||
| B2958 | Passlock(tm) Sensor Data Circuit High | B2958 | ||
| B2960 | Passlock(tm) Sensor Data Incorrect But Valid | B2960 | ||
| B3031 | Controller In Learn Mode | B3031 | ||
| B3033 | System Indicates Tamper | B3033 | ||
| C0559 | EEPROM Checksum Error | C0559 | ||
| P1626 | Invalid Fuel Enable Password | P1626 | ||
| P1630 | Powertrain Control Module Unable To Learn Passlock(tm) Module Password | P1630 | ||
| P1631 | Invalid Password Received | P1631 | ||
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