Hybrid/EV Battery Pack Voltage Sense System Multiple Sensor Correlation
Table of contents
P1A3A MERCURY Possible Causes
- Faulty Hybrid/EV Battery Pack
- Hybrid/EV Battery Pack harness is open or shorted
- Hybrid/EV Battery Pack circuit poor electrical connection
How do I fix code P1A3A MERCURY?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P1A3A MERCURY code
The cost of diagnosing the P1A3A MERCURY code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1A3A MERCURY Description
The Engine Control Module (ECM) monitors the Hybrid/EV Battery Pack Voltage Sense. The ECM sets the OBDII code when the Hybrid/EV Battery Pack Voltage Sense is not to factory specifications.