P1A7E
Starter/Generator Control Module Overtemperature High Voltage System Disabled
P1A7E is an OBD-II diagnostic trouble code meaning: Starter/Generator Control Module Overtemperature High Voltage System Disabled. Common causes: overheating of the control module due to intensive use, module cooling system malfunction. Estimated repair cost: $167–556.
Symptoms
- Disabling the hybrid system
- Check Engine Light Illuminates
- Reduced vehicle power
- Inability to start in hybrid mode
- Error message on the dashboard
Causes
- Overheating of the control module due to intensive use
- Module cooling system malfunction
- Control module ventilation problems
- Module temperature sensor malfunction
- Poor contact in electrical connections
How to Fix
- Allow the module to cool (15-30 minutes)
- Check the control module cooling system
- Inspect electrical connections and wiring harnesses
- Check the functionality of the module temperature sensor
- Diagnostics and possible replacement of the control module
Related codes
FAQ
What does the P1A7E code mean?
P1A7E is an OBD-II diagnostic trouble code that indicates: Starter/Generator Control Module Overtemperature High Voltage System Disabled
What causes a P1A7E error code?
The most common causes of P1A7E include: Overheating of the control module due to intensive use; Module cooling system malfunction; Control module ventilation problems; Module temperature sensor malfunction.
How do I fix a P1A7E diagnostic trouble code?
To fix P1A7E: Allow the module to cool (15-30 minutes). Check the control module cooling system. Inspect electrical connections and wiring harnesses. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1A7E?
Limited driving only, diagnose soon
How much does it cost to fix P1A7E?
The estimated repair cost for P1A7E is $167–556. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat