P0A79 Code - Drive Motor 'B' Inverter Performance
Quick Answer
The diagnostic trouble code P0A79 indicates an issue with the drive motor 'B' inverter performance in a hybrid or electric vehicle. Common causes include Faulty drive motor 'B' inverter, Wiring issues in the electric propulsion system, Software glitch in the inverter system. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0A79 indicates Drive Motor 'B' Inverter Performance.
- Common causes
- Common causes include Faulty drive motor 'B' inverter, Wiring issues in the electric propulsion system, Software glitch in the inverter system.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P0A79 Description
The diagnostic trouble code P0A79 indicates an issue with the drive motor 'B' inverter performance in a hybrid or electric vehicle. The drive motor inverter is a crucial component that controls the flow of electricity between the battery and the electric motor, allowing the vehicle to move. When this inverter is not functioning correctly, it can have a significant impact on the vehicle's performance and efficiency.
Common Causes of P0A79
- Faulty drive motor 'B' inverter
- Wiring issues in the electric propulsion system
- Software glitch in the inverter system
- Problems with the battery or electric motor
- Overheating of the inverter due to lack of cooling
Symptoms of P0A79
- Loss of power or acceleration
- Reduced fuel efficiency
- Strange noises coming from the electric motor
- Vehicle going into "limp mode"
- Check engine light illuminated on the dashboard
How to Fix P0A79
- Diagnose the exact cause of the issue using a diagnostic scanner and specialized tools.
- Inspect the drive motor 'B' inverter, wiring, and connections for any visible damage or loose connections.
- Test the inverter components and circuits for proper functionality.
- Replace any faulty components, such as the inverter, wiring harness, or sensors.
- Clear the diagnostic trouble code from the vehicle's computer and test drive to ensure the issue has been resolved.
Cost to Fix P0A79
The cost of repairing the drive motor 'B' inverter performance issue can vary depending on the extent of the damage and the specific components that need to be replaced. On average, the repair costs for this issue can range from $500 to $1500, including parts and labor. It's essential to keep in mind that diagnosis time and labor rates at auto repair shops can vary, so it's best to check with local shops for a more accurate estimate. Additionally, the cost may be higher if the vehicle is taken to a dealership or a specialized hybrid/electric vehicle repair shop.
Need more information about the P0A79 code?
Need more information on how to fix the P0A79 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0A79 code diagnosed by a professional: Find a repair shop in your area
Code P0A79 Information for Specific Makes
- P0A79 Lexus — Drive Motor 'B' Inverter Performance
- P0A79 Toyota — Drive Motor 'B' Inverter Performance
Frequently Asked Questions about P0A79 Code
No Frequently Asked Questions about P0A79 Code found.
Discuss the causes and fixes for P0A79 OBDII Code
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.