Diagnostic Fault Information
WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
Always perform the Diagnostic System Check - Vehicle
prior to using this diagnostic procedure.
DTC B2645
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Ambient Light Sensor Signal Circuit | B2645 03, 3 | B2645 07, 3 | B2645 07, 3 | - |
| Ambient Light Sensor Ground | - | B2645 07, 3 | - | - |
| Left Front Turn Signal Supply Voltage | 1, 3 | 1, 3 | 2 | - |
| Right Front Turn Signal Supply Voltage | B2615 00, 1, 3 | 1, 3 | 2 | - |
| Left Front Turn Signal Ground | - | 1, 3 | - | - |
| Right Front Turn Signal Ground | - | 1, 3 | - | - |
| 1. Turn Signal Lamps Inoperative 2. Turn Signal Lamps Always On 3. Daytime Running Lamps (DRL) Inoperative |
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