P0B73
Hybrid/EV Battery Voltage Sense L Circuit Range/Performance
P0B73 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Voltage Sense L Circuit Range/Performance. Common causes: damage to the voltage control circuit wiring harness, battery voltage sensor fault. Estimated repair cost: $17–89.
Symptoms
- Check Engine light comes on
- Hybrid system power reduction
- Increased fuel consumption
- Battery charging problems
- The vehicle goes into emergency mode
Causes
- Damage to the voltage control circuit wiring harness
- Battery voltage sensor fault
- Poor contact in circuit connectors
- Problems with the hybrid system control unit
- Corrosion of contacts in the circuit
How to Fix
- Check the integrity of the voltage control circuit wiring harness
- Check connections and contacts in the circuit
- Test battery voltage sensor
- Check the operation of the hybrid system control unit
- Replace damaged circuit components
Related codes
Error P0B73 by Vehicle Brand
FAQ
What does the P0B73 code mean?
P0B73 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Voltage Sense L Circuit Range/Performance
What causes a P0B73 error code?
The most common causes of P0B73 include: Damage to the voltage control circuit wiring harness; Battery voltage sensor fault; Poor contact in circuit connectors; Problems with the hybrid system control unit.
How do I fix a P0B73 diagnostic trouble code?
To fix P0B73: Check the integrity of the voltage control circuit wiring harness. Check connections and contacts in the circuit. Test battery voltage sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0B73?
Yes, but get it checked soon
How much does it cost to fix P0B73?
The estimated repair cost for P0B73 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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