P1AE2
Battery Energy Control Module High Voltage System Interlock Circuit
P1AE2 is an OBD-II diagnostic trouble code meaning: Battery Energy Control Module High Voltage System Interlock Circuit. Common causes: open or short circuit in the interlock circuit, malfunction of high-voltage system connectors. Estimated repair cost: $56–278.
Symptoms
- Engine power limitation
- Malfunction warning on the instrument panel
- Inability to start the high voltage system
- Reduced hybrid system efficiency
- Switching to emergency mode
Causes
- Open or short circuit in the interlock circuit
- Malfunction of high-voltage system connectors
- Damage to the battery energy management module
- Corrosion of contacts in the safety circuit
- Mechanical damage to high voltage wiring
How to Fix
- High Voltage Interlock Circuit Diagnostics
- Checking the integrity of connectors and wiring
- Battery Energy Management Module Testing
- Replacing damaged circuit components
- Reset errors and test run the system
Related codes
FAQ
What does the P1AE2 code mean?
P1AE2 is an OBD-II diagnostic trouble code that indicates: Battery Energy Control Module High Voltage System Interlock Circuit
What causes a P1AE2 error code?
The most common causes of P1AE2 include: Open or short circuit in the interlock circuit; Malfunction of high-voltage system connectors; Damage to the battery energy management module; Corrosion of contacts in the safety circuit.
How do I fix a P1AE2 diagnostic trouble code?
To fix P1AE2: High Voltage Interlock Circuit Diagnostics. Checking the integrity of connectors and wiring. Battery Energy Management Module Testing. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1AE2?
Do not drive — repair immediately
How much does it cost to fix P1AE2?
The estimated repair cost for P1AE2 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat