Battery Current Sensor
Table of contents
B1516 GMC Possible Causes
- Faulty Battery Current Sensor
- Battery Current Sensor harness is open or shorted
- Battery Current Sensor circuit poor electrical connection
- Faulty Body Control Module (BCM)
How do I fix code B1516 GMC?
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.
Tech Notes
- B1516 08: Battery Current Sensor Signal Invalid
- B1516 66: Battery Current Sensor Wrong Mounting Position
Cost of diagnosing the B1516 GMC code
The cost of diagnosing the B1516 GMC 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)
B1516 GMC Description
The Battery Current Sensor is a 3-wire hall effect current sensor. The Body Control Module (BCM) supplies 5 V and ground to the battery current sensor. The battery current sensor measures the amount of current flowing to or from the battery, and supplies a Pulse Width Modulation (PWM) signal to the BCM.