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 |
|---|---|---|---|---|
| Driver Door Lock Switch Lock Signal | B3150 00 | 3 | 3 | - |
| Driver Door Lock Switch Unlock Signal | B3140 00 | 3 | 3 | - |
| Passenger/Cargo Door Lock Switch Lock Signal | B3155 00 | 3 | 3 | - |
| Passenger/Cargo Door Lock Switch Unlock Signal | B3145 00 | 3 | 3 | - |
| Passenger/Cargo Unlock Relay Control | B3130 00 | B3130 00 | B3130 00 | - |
| Driver Unlock Relay Control | B3125 00 | B3125 00 | B3125 00 | - |
| Door Lock Relay Control | B3135 00 | B3135 00 | B3135 00 | - |
| Cargo Unlock Relay Control | 2 | 2 | - | - |
| Door Lock Switch Ground | - | 3 | - | - |
| Passenger Compartment Fuse Block Ground | - | 1 | - | - |
| 1. All Latches Malfunction 2. Cargo Door Latch Malfunction 3. Door Lock Switch Malfunction |
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