P063A
Generator Voltage Sense Circuit
Generic code
Computer Output Circuit
High severity
Hard repair
Free on OBD DashX
Want real-world data on P063A?
See which problems come with P063A, how often it shows up in other vehicles, and how to fix it — step by step.
- Real-world fix data
- How often it happens
- Step-by-step repairs
What P063A means
- ECM (car computer) not able to read battery signals, and thus may not be able to do its job properly
Possible symptoms
- Stop lights may be inoperative
- Engine may stall when coming to a stop, engine misfire, sag, stall, or hesitation
- Car may hesitate while accelerating
Possible causes
- Battery charge
- Faulty Generator
- Generator harness is open or shorted
- Generator circuit poor electrical connection
- Engine Control Module (ECM) controlled generator
- Faulty ECM
Related parts
- Generator: Generator provides the electricity to start a car's alternator.This car's generator has an issue that may make it hard to start the car
Possible solutions
- Replace any damaged wires, connectors and components
- Replace Alternator
Free on OBD DashX
P063A on OBD DashX
Real-world causes, how often this code shows up, and the fix — step by step.
Open P063A No sign-up needed · available in 10 languagesScan your own car
Read and clear fault codes, live data and service resets with the CaRPM app.