B1517 GMC - Battery Voltage Low/High Voltage
- Faulty Control Module Power
- Control Module Power harness is open or shorted
- Control Module Power circuit poor electrical connection
Tech notes- B1517 03: Battery Voltage Low Voltage
- B1517 07: Battery Voltage High Voltage
- B1517 5A : Battery Voltage Not Plausible
- Engine Light ON (or Service Engine Soon Warning Light)
B1517 Gmc DescriptionThe vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. The Powertrain Control Module (PCM) sets the OBDII code when the Control Module Power is not to factory specifications.
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