Diagnostic Fault Information
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
High Mount Stop Lamp Malfunction
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| CHMSL Relay Control | B3884 00 | 1 | 2 | - |
| CHMSL Control | 1 | 1 | 2 | - |
| CHMSL Relay Ground | - | 1 | - | - |
| CHMSL Ground | - | 1 | - | - |
| 1. Center High Mounted Stop Lamp (CHMSL) Inoperative 2. Center High Mounted Stop Lamp (CHMSL) Always On |
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