Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
B2530:01 Front Fog Lamps Control Circuit Short to Battery
B2530:02 Front Fog Lamps Control Circuit Short to Ground
B2530:04 Front Fog Lamps Control Circuit Open
To diagnose the B2530 Cadillac code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.
The front fog lamp relay is always supplied with battery voltage. The front fog lamp switch signal circuit is grounded momentarily by pressing the front fog lamp switch. The body control module (BCM) energizes the front fog lamp relay by applying ground to the front fog lamp relay control circuit. When the front fog lamp relay is energized, the relay switch contacts close, and battery voltage is applied through the fog lamp fuse to the front fog lamp control circuit which illuminates the front fog lamps. The Diagnostic Trouble Code (DTC) will be set when the BCM detects a problem with the front fog lamp relay control circuit.
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