P1A4E
Battery Energy Control Module Hybrid Battery System Voltage High
P1A4E is an OBD-II diagnostic trouble code meaning: Battery Energy Control Module Hybrid Battery System Voltage High. Common causes: hybrid battery malfunction, problems with the charging system. Estimated repair cost: $167–2778.
Symptoms
- Check Engine light comes on
- Hybrid system power reduction
- The car goes into emergency mode
- Unusual sounds from hybrid battery
- Error message on display
Causes
- Hybrid battery malfunction
- Problems with the charging system
- Battery Energy Management Module Malfunction
- Damage to high voltage wiring
- Software error in the control system
How to Fix
- Diagnostics of the hybrid battery system
- Checking the voltage at the battery terminals
- Inspect high-voltage wiring for damage
- Battery Energy Management Module Testing
- Repair or replace the hybrid battery if necessary
- Repair only from an authorized dealer
Related codes
FAQ
What does the P1A4E code mean?
P1A4E is an OBD-II diagnostic trouble code that indicates: Battery Energy Control Module Hybrid Battery System Voltage High
What causes a P1A4E error code?
The most common causes of P1A4E include: Hybrid battery malfunction; Problems with the charging system; Battery Energy Management Module Malfunction; Damage to high voltage wiring.
How do I fix a P1A4E diagnostic trouble code?
To fix P1A4E: Diagnostics of the hybrid battery system. Checking the voltage at the battery terminals. Inspect high-voltage wiring for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1A4E?
Do not drive — repair immediately
How much does it cost to fix P1A4E?
The estimated repair cost for P1A4E is $167–2778. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat