Scan Tool Data List
WARNING: This page is about a different car, the 2004 GMC Safari and 2004 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
Body Control Module (BCM) Scan Tool Data List
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Ignition ON/Engine OFF/Vehicle in PARK/Headlamps in AUTO/Park brake Set/All doors closed | |||
| Julian Date of Build | Module Information 1 | Numeric | Varies |
| Manufacture Enable Counter | Module Information 1 | 0-255 | 0 |
| Module Part Number | Module Information 1 | Numeric | Varies |
| Software Design Suffix | Module Information 1 | Two Letters | Varies |
| Software Part Number | Module Information 1 | Numeric | Varies |
| Lighting Calibration Number | Module Information 2 | Numeric | Varies |
| Lighting Suffix | Module Information 2 | Two Letters | Varies |
| Reminder Calibration Number | Module Information 2 | Numeric | Varies |
| Reminder Suffix | Module Information 2 | Two Letters | Varies |
| Ambient Light | Data | Dark/Light | Varies |
| Ambient Light Sensor | Data | Volts | Varies |
| Battery Voltage | Data | Volts | Varies |
| Courtesy Lamp Timer | Data | Seconds | 0 Seconds |
| Dimming Potentiometer | Data | Volts | Varies |
| High Beam Input | Data | Volts | 11.2 V |
| Inadvertent Power Timer | Data | Seconds | 1216 Seconds |
| Driver Door Jamb Switch | Input 1 | Active/Inactive | Inactive |
| Ignition 1 | Input 1 | Active/Inactive | Active |
| Ignition 3 | Input 1 | Active/Inactive | Active |
| Ignition Power Mode | Input 1 | Off/Run/Crank/Unknown | Run |
| Last RFA Command Since Wake-Up | Input 1 | None/Lock/Unlock/Panic/Manual Resynch/Fob Program/Diag Acknowledge/Diag Request | Unlock |
| Park Brake Switch | Input 1 | Set/Released | Set |
| Passenger Door Jamb Switch | Input 1 | Active/Inactive | Inactive |
| RFA Message Since Wake-Up | Input 1 | None/Panic/Active Unlock Fob#/Active Lock/Prog Mode Cancel/Prog Successful/Prog Mode Ack/Manual Resync | Actv Unlock Fob# |
| Side Door Jamb Switch | Input 1 | On/Off | Off |
| Auto Headlamps | Input 2 | Active/Inactive | Varies |
| Courtesy Lamp Relay | Input 2 | On/Off | Off |
| Dimming Pot Input | Input 2 | Active/Inactive | Inactive |
| Dome Lamp Switch | Input 2 | On/Off | Off |
| Dome Override Switch | Input 2 | On/Off | Varies |
| Flash to Pass Switch | Input 2 | On/Off | Off |
| Headlamp Relay Feedback | Input 2 | On/Off | Off |
| High Beam Switch | Input 2 | On/Off | Off |
| Left Turn Signal | Input 2 | On/Off | Off |
| Park Lamps | Input 2 | On/Off | Off |
| Right Turn Signal | Input 2 | On/Off | Off |
| Courtesy Lamp Relay | Outputs | On/Off | Off |
| DRL Relay | Outputs | On/Off | Off |
| Dimming | Outputs | Active/Inactive | Inactive |
| Headlamp Power Relay | Outputs | On/Off | Off |
| Inadvertent Power Relay | Outputs | On/Off | On |
| Interior Lighting Mode | Outputs | None/Interior/Illuminated Entry/Exit Lighting/Remote Illuminated | Varies |
| Park Lamp Relay | Outputs | On/Off | Off |