P2516moderate severityPowertrain
ECT/BPP Sensor Communication Circuit
on 2023 Chevrolet Bolt EUV 65 kWh Single Motor FWD · FWD
What this code means
The powertrain module lost or received invalid data on the sensor communication circuit. This can disrupt readings shared between control modules.
Symptoms
- Warning light on
- Erratic sensor readings
- Reduced performance
Common causes
- Wiring or connector fault
- Poor ground connection
- Faulty sensor
- Failed control module
Diagnostic steps
- Scan for related codes
- Inspect wiring and connectors
- Check circuit voltage and ground
- Test or replace sensor
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