Diagnostic Fault Information
WARNING: This page is about a different car, the 2008 Cadillac CTS. 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 |
|---|---|---|---|---|
| Accessory Voltage | B1370 06, B1380 06, U0100-U0299 | B1380 06 | B1380 01, P1629 | - |
| Battery Positive Voltage | B1370 06, B1380 06,B1440 00, U0100-U0299 | B1370 06, B1380 06,B1440 00, U0100-U0299 | - | - |
| Ignition 1 Voltage | B1370 06, B1380 06, U0100-U0299 | B1370 06, 1 | B1370 01, U0100-U0299 | - |
| Off/Run/Crank Voltage | B1370 06, B1380 06, U0100-U0299,B1440 00 | B1441 06, B1440 00 | B1441 01, B1440 00 | - |
| Run/Crank Ignition 1 Voltage | B1428* | B1370 06 | - | - |
| Accessory Wakeup Serial Data | U1814* | U0100-U0299, P0513 00 | - | - |
| 1. Power Mode Mismatch 2. Scan Tool Does Not Communicate with High Speed GMLAN Device * This circuit is a pass through circuit in the BCM and will cause Ign Switch fuse to open. ** This circuit/condition will cause Ign Switch fuse to open, and may cause a no start condition. |
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