P1B19
Hybrid/Electric Vehicle Battery 28 Circuit Performance
P1B19 is an OBD-II diagnostic trouble code meaning: Hybrid/Electric Vehicle Battery 28 Circuit Performance. Common causes: degradation of battery cell no. 28, problems with cell balancing. Estimated repair cost: $133–944.
Symptoms
- Increased fuel consumption in hybrid mode
- Reduced electric traction power
- Check Engine Light Illuminates
- Reduced overall range
- Unstable operation of the hybrid system
Causes
- Degradation of battery cell No. 28
- Problems with cell balancing
- Damage to the wiring harness to the cell
- Voltage control system malfunction
- Corrosion of contacts in the battery circuit
How to Fix
- Diagnosis of battery cell condition
- Checking circuit resistance and insulation
- Testing the cell balancing system
- Replacing a faulty battery cell if necessary
- Repair or replacement of damaged wires
Related codes
FAQ
What does the P1B19 code mean?
P1B19 is an OBD-II diagnostic trouble code that indicates: Hybrid/Electric Vehicle Battery 28 Circuit Performance
What causes a P1B19 error code?
The most common causes of P1B19 include: Degradation of battery cell No. 28; Problems with cell balancing; Damage to the wiring harness to the cell; Voltage control system malfunction.
How do I fix a P1B19 diagnostic trouble code?
To fix P1B19: Diagnosis of battery cell condition. Checking circuit resistance and insulation. Testing the cell balancing system. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1B19?
Yes, but get it checked soon
How much does it cost to fix P1B19?
The estimated repair cost for P1B19 is $133–944. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat