P3045
Hybrid/EV Battery Interface Control Module 12 Voltage Sensor Circuit Performance Circuit/System Description
P3045 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 12 Voltage Sensor Circuit Performance Circuit/System Description. Common causes: control module voltage sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $56–278.
Symptoms
- Check Engine Light Is On
- Reduced hybrid system efficiency
- Battery charging problems
- Reduced vehicle power
- Errors in the operation of the hybrid system
Causes
- Control module voltage sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in circuit connectors
- Hybrid battery control module malfunction
- High Voltage Wiring Harness Problems
How to Fix
- Check the continuity of the voltage sensor circuit
- Check connectors and circuit connections
- Test the voltage sensor with a multimeter
- Check the operation of the hybrid battery control module
- Repair only from an authorized dealer
Related codes
FAQ
What does the P3045 code mean?
P3045 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 12 Voltage Sensor Circuit Performance Circuit/System Description
What causes a P3045 error code?
The most common causes of P3045 include: Control module voltage sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in circuit connectors; Hybrid battery control module malfunction.
How do I fix a P3045 diagnostic trouble code?
To fix P3045: Check the continuity of the voltage sensor circuit. Check connectors and circuit connections. Test the voltage sensor with a multimeter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P3045?
Do not drive — repair immediately
How much does it cost to fix P3045?
The estimated repair cost for P3045 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat