What does it mean?
P0EFA is a Powertrain fault code. It indicates: Battery Charger A Input Voltage Sensor B Circuit High.
Battery Charger A Input Voltage Sensor B Circuit High
Severity
Medium
Can I keep driving?
Usually drivable, but get it diagnosed without delay.
How is this code read?
This is a standard OBD-II code; any basic scanner reads it on vehicles built after 2004.
- PPowertrain
- 0Generic code
- EPowertrain (Other)
- FASequence number
Codes From the Same System
All Fault Codes- P0E00Generator Phase U Current Sensor Circuit
- P0E01Generator Phase U Current Sensor Circuit Range/Performance
- P0E02Generator Phase U Current Sensor Circuit Low
- P0E03Generator Phase U Current Sensor Circuit High
- P0E04Generator Phase V Current Sensor Circuit
- P0E05Generator Phase V Current Sensor Circuit Range/Performance
- P0E06Generator Phase V Current Sensor Circuit Low
- P0E07Generator Phase V Current Sensor Circuit High
Related Similar Codes
- P0EF0Battery Charger Coupler Unlock Disabled - High Voltage Present
- P0EF1Drive Motor C Temperature Sensor Circuit
- P0EF2Drive Motor C Temperature Sensor Range/Performance
- P0EF3Drive Motor C Temperature Sensor Circuit Low
- P0EF4Drive Motor C Temperature Sensor Circuit High
- P0EF5Drive Motor C Temperature Sensor Circuit Intermittent/Erratic
- P0EF6Drive Motor C Temperature Sensor Over Temperature
- P0EF7Battery Charger A Input Voltage Sensor B Circuit
This information follows the generic OBD-II definition and does not replace a vehicle-specific diagnosis. The severity rating is rule-based; an authorised diagnostic reading is required for a definitive answer.