P1A81
Starter/Generator Control Module Coolant Level Sensor 2 Low Voltage
P1A81 is an OBD-II diagnostic trouble code meaning: Starter/Generator Control Module Coolant Level Sensor 2 Low Voltage. Common causes: coolant level sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Check Engine Light Is On
- Incorrect coolant level readings
- Problems starting the engine
- Engine overheating
- Reduced generator efficiency
Causes
- Coolant level sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in sensor connectors
- Starter/Generator Control Module Malfunction
- Low coolant level
How to Fix
- Check coolant level
- Inspect the sensor circuit for damage
- Check sensor connectors for corrosion or poor contact.
- Replace the coolant level sensor if necessary
- Check Starter/Generator Control Module
Related codes
FAQ
What does the P1A81 code mean?
P1A81 is an OBD-II diagnostic trouble code that indicates: Starter/Generator Control Module Coolant Level Sensor 2 Low Voltage
What causes a P1A81 error code?
The most common causes of P1A81 include: Coolant level sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Starter/Generator Control Module Malfunction.
How do I fix a P1A81 diagnostic trouble code?
To fix P1A81: Check coolant level. Inspect the sensor circuit for damage. Check sensor connectors for corrosion or poor contact.. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1A81?
Yes, but get it checked soon
How much does it cost to fix P1A81?
The estimated repair cost for P1A81 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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