Diagnostic Fault Information
WARNING: This page is about a different car, the 2009 Cadillac DTS. 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 |
|---|---|---|---|---|
| Ambient Air Temperature Sensor Signal | B0158 06 | B0158 06 | B0158 07* | B0158 03, B0158 07 |
| Inside Air Temperature Sensor Signal | B0163 06 | B0163 06 | B0163 06* | 1 |
| Left Sunload Sensor Signal | B0183 06 | B0183 06 | B0183 06* | 1 |
| Right Sunload Sensor Signal | B0188 06 | B0188 06 | B0188 06* | 1 |
| Evaporator Temperature Sensor Signal | B3933 06 | B3933 06 | B3933 06* | 1 |
| Low Reference | - | B3933 06, B0158 06, B0163 06 | B3933 06, B0158 07, B0163 06 | B0158 07 |
| Sunload Sensors Ground | - | B0183 06, B0188 06 | B0183 06, B0188 06 | - |
| *If the signal circuit is shorted to voltage B0158, B0163, B0183, B0188 and B3933 will all set. 1. Air Temperature Malfunction |
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