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 |
|---|---|---|---|---|
| I/P Voltage Reference - Stop Lamp Switch | B1395 03, B3600 03 | 2 | - | - |
| Stop Lamp Switch Signal | B1395 03, B3600 03 | 2 | 2 | - |
| CHMSL Control | B3445 00 | 1 | 1 | - |
| Left Rear Stop/Turn Lamp Control | 1 | 1 | 1 | - |
| Right Rear Stop/Turn Lamp Control | 1 | 1 | 1 | - |
| Stop Lamp Relay Control | B3884 00 | 1 | 1 | - |
| Center High Mounted Stop Lamp (CHMSL) Ground | - | 1 | - | - |
| Left Rear Stop/Turn Lamp Ground | - | 1 | - | - |
| Right Rear Stop/Turn Lamp Ground | - | 1 | - | - |
| Stop Lamp Relay Ground | - | 1 | - | - |
| 1. Stop Lamp Malfunction 2. Stop Lamp Switch Malfunction |
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