Challenge Active Circuit
Table of contents
B305D CADILLAC Possible Causes
- Faulty Retained Accessory Power Relay
- Retained Accessory Power Relay harness is open or shorted
- Retained Accessory Power Relay circuit poor electrical connection
- Faulty Keyless Entry Control Module
How do I fix code B305D CADILLAC?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the B305D CADILLAC code
The cost of diagnosing the B305D CADILLAC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B305D CADILLAC Description
The Body Control Module (BCM) communicates with the remote control door lock receiver through the keyless entry challenge active circuit. The challenge active signal is activated by the Keyless Entry Control Module and sent to the BCM when active communication between the vehicle and the keyless entry transmitter is initiated.