P1A7A
Starter/Generator Control Module Coolant Temperature Sensor 3 Circuit High Voltage
P1A7A is an OBD-II diagnostic trouble code meaning: Starter/Generator Control Module Coolant Temperature Sensor 3 Circuit High Voltage. Common causes: coolant temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Check Engine light comes on
- Problems with the start-stop system
- Reduced hybrid system efficiency
- Incorrect coolant temperature readings
- Possible problems with battery charging
Causes
- Coolant temperature sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in connectors
- Starter/Generator Control Module Malfunction
- Wiring Harness Problems
How to Fix
- Check the condition of the temperature sensor
- Inspect the sensor circuit for damage
- Check connections and connectors
- Test the control module
- Replace sensor if necessary
Related codes
FAQ
What does the P1A7A code mean?
P1A7A is an OBD-II diagnostic trouble code that indicates: Starter/Generator Control Module Coolant Temperature Sensor 3 Circuit High Voltage
What causes a P1A7A error code?
The most common causes of P1A7A include: Coolant temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in connectors; Starter/Generator Control Module Malfunction.
How do I fix a P1A7A diagnostic trouble code?
To fix P1A7A: Check the condition of the temperature sensor. Inspect the sensor circuit for damage. Check connections and connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1A7A?
Yes, but get it checked soon
How much does it cost to fix P1A7A?
The estimated repair cost for P1A7A is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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