Engine-Codes - Cadillac - B1516 CADILLAC

B1516 CADILLAC - Battery Current Sensor

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

B1516 CADILLAC 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 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.

Tech Notes

B1516 08: Battery Current Sensor Signal Invalid
B1516 66: Battery Current Sensor Wrong Mounting Position

Cost of diagnosing the B1516 CADILLAC code

Labor: 1.0

The cost of diagnosing the B1516 CADILLAC code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

B1516 CADILLAC Meaning

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.

B1516 CADILLAC More Information

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