P1A8B
Volt Inverter Temperature High
P1A8B is an OBD-II diagnostic trouble code meaning: Volt Inverter Temperature High. Common causes: inverter cooling system malfunction, clogged radiator or non-working fan. Estimated repair cost: $56–278.
Symptoms
- Reduced motor power
- Warning message on dashboard
- The vehicle goes into emergency mode
- Disabling the electrical system
- Unusual noises from the inverter
Causes
- Inverter cooling system malfunction
- Clogged radiator or non-working fan
- Problems with coolant circulation
- Excessive load on inverter
- Inverter temperature sensor malfunction
How to Fix
- Check the level and condition of the coolant
- Diagnose the operation of the inverter cooling system
- Clean the radiator and check the fan
- Check inverter temperature sensor
- Diagnose inverter electrical circuits
Related codes
FAQ
What does the P1A8B code mean?
P1A8B is an OBD-II diagnostic trouble code that indicates: Volt Inverter Temperature High
What causes a P1A8B error code?
The most common causes of P1A8B include: Inverter cooling system malfunction; Clogged radiator or non-working fan; Problems with coolant circulation; Excessive load on inverter.
How do I fix a P1A8B diagnostic trouble code?
To fix P1A8B: Check the level and condition of the coolant. Diagnose the operation of the inverter cooling system. Clean the radiator and check the fan. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1A8B?
Do not drive — repair immediately
How much does it cost to fix P1A8B?
The estimated repair cost for P1A8B is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat