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 |
|---|---|---|---|---|
| Blower Control Module Battery Positive Voltage | 1 | 1 | 2 | - |
| Blower Motor Speed Control | 2 | 1 | 1 | - |
| High Blower Motor Relay Control | 2 | 1 | 1 | - |
| Front Blower Motor Low Reference | 1 | 1 | 1 | - |
| Blower Motor Control Ground | - | 1 | - | |
| 1. Blower motor inoperative 2. Blower motor always ON |
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