The control module detected improper operation of the Generator Voltage Sense circuit.
TuningBot DTC Database · v4.37.14
P063A Generator Voltage Sense Circuit
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P063A means
Related and nearby codes
How to read P063A
Powertrain: engine, transmission and driveline systems.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Frequently asked questions about P063A
What does P063A mean?
Generator Voltage Sense Circuit. The control module detected improper operation of the Generator Voltage Sense circuit.
Is P063A generic or manufacturer-specific?
P063A is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P063A at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
