Diagnostic Fault Information
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| BCM Supply Voltage | B1395 03, B3600 03 | B1395 03, B3600 03 | - | - |
| I/P Dimming Voltage Reference | B1395 03, B3600 03 | B3600 03 | - | B1395 07 |
| Stop Lamp Switch Signal | B1395 03, B3600 03 | 2 | 2 | - |
| Instrument Panel Lamps Dimmer Switch Signal | B3600 03 | B3600 03 | 1 | - |
| 1. Interior Backlighting Malfunction 2. Stop Lamps Malfunction |
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