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.
| Circuit | Short to Ground | Open / High Resistance | Short to Voltage | Signal Performance |
| Underhood Fuse Block B+ | 1 | 1 | - | - |
| 175 A MEGA Fuse | - | 1 | - | - |
| ECM-IGN Fuse 56 (LMM) or 58 (w/o LMM) | - | 1 | - | - |
| STRTR Fuse 60 (LMM) or 64 (w/o LMM) | - | 1 | - | - |
| ECM Ignition 1 Voltage | 1 | 1 | - | - |
| Park Neutral Signal | 2 | 1 | 1 | - |
| Starter Relay Coil Control | 1 | 1 | 3 | - |
| Starter Solenoid Crank Voltage | 1 | 1 | 3 | - |
| Underhood Fuse Block Ground | - | 1 | - | - |
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