P063C OBD-II: Generator Voltage Sense Circuit Low
P063C Severity
Should you fix P063C yourself?
Identifying an OBD code is just the start of a complete diagnostic routine. Most trouble codes are caused by a sensor reporting a value that is out of range. Just replacing a sensor may not fix underlying issues. Be sure to understand the code, the part or system in your car that the code refers to, and the risks of delaying professional repair.
Proper diagnosis will save you time and money on unnecessary repairs.
Urgent codes indicate immediate action is necessary. These are urgent and significant malfunctions that can cause severe damage to the vehicle or harm the driver and passengers.
What causes OBD-II fault code P063C?
The Alternator recharges the Battery when the engine is running. The Alternator is controlled by the engine control module (PCM). If the PCM detects an incorrect signal from the Alternator, the PCM will set code P063C.
OBD II Fault Code
- OBD II P063C
OBD-II Code Engine may not start is defined as a Generator Voltage Sense Circuit Low
The Alternator recharges the Battery when the engine is running. The Alternator is controlled by the engine control module (PCM). If the PCM detects an incorrect signal from the Alternator, the PCM will set code P063C.
Engine may not start Symptoms
- Engine may not start
- Engine may stall
Common Problems That Trigger the P063C Code
- Alternator failure
- Powertrain Control Module (PCM) failure
- Wiring issue
Common Repairs Needed for the P063C Code
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