P0E86
Battery Charger B Input Voltage Too Low
P0E86 is an OBD-II diagnostic trouble code meaning: Battery Charger B Input Voltage Too Low. Common causes: generator malfunction, damaged or corroded charging circuit wires. Estimated repair cost: $33–167.
Symptoms
- Low battery warning on dashboard
- Reduced performance of the hybrid system
- Problems starting the car
- Disabling some electronic systems
- Check Engine Light Flashing
Causes
- Generator malfunction
- Damaged or corroded charging circuit wires
- Battery B fault
- Problems with the charging control module
- Poor contact in the charging system connectors
How to Fix
- Check voltage at battery terminals B
- Inspect the wiring harness and charging system connectors
- Test the generator for proper operation
- Check the condition of battery B
- Scan the charging control module for errors
Related codes
Error P0E86 by Vehicle Brand
FAQ
What does the P0E86 code mean?
P0E86 is an OBD-II diagnostic trouble code that indicates: Battery Charger B Input Voltage Too Low
What causes a P0E86 error code?
The most common causes of P0E86 include: Generator malfunction; Damaged or corroded charging circuit wires; Battery B fault; Problems with the charging control module.
How do I fix a P0E86 diagnostic trouble code?
To fix P0E86: Check voltage at battery terminals B. Inspect the wiring harness and charging system connectors. Test the generator for proper operation. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0E86?
Do not drive — repair immediately
How much does it cost to fix P0E86?
The estimated repair cost for P0E86 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat