P1A34
Hybrid Battery 3 Voltage Low
P1A34 is an OBD-II diagnostic trouble code meaning: Hybrid Battery 3 Voltage Low. Common causes: degradation of battery cells in module 3, poor contact in battery connectors. Estimated repair cost: $167–556.
Symptoms
- Hybrid system power reduction
- Increased fuel consumption
- Check Engine Light Illuminates
- Reduced efficiency of regenerative braking
- Error messages on the hybrid system display
Causes
- Degradation of battery cells in module 3
- Poor contact in battery connectors
- Damage to the wiring harness to the module
- Battery management system (BMS) malfunction
- Imbalance between battery modules
How to Fix
- Check connections and connectors of the battery module
- Test the voltage of individual module elements
- Check the condition of the wiring harness to the module
- Balance battery modules
- If necessary, replace the faulty battery module
Related codes
FAQ
What does the P1A34 code mean?
P1A34 is an OBD-II diagnostic trouble code that indicates: Hybrid Battery 3 Voltage Low
What causes a P1A34 error code?
The most common causes of P1A34 include: Degradation of battery cells in module 3; Poor contact in battery connectors; Damage to the wiring harness to the module; Battery management system (BMS) malfunction.
How do I fix a P1A34 diagnostic trouble code?
To fix P1A34: Check connections and connectors of the battery module. Test the voltage of individual module elements. Check the condition of the wiring harness to the module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1A34?
Limited driving only, diagnose soon
How much does it cost to fix P1A34?
The estimated repair cost for P1A34 is $167–556. Actual cost depends on your vehicle, location, and labor rates.
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