P1A85
Starter/Generator Control Module Coolant Level Sensor 4 Low Voltage
P1A85 is an OBD-II diagnostic trouble code meaning: Starter/Generator Control Module Coolant Level Sensor 4 Low Voltage. Common causes: coolant level sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Incorrect coolant level readings
- Check engine light comes on
- Possible problems starting the engine
- Engine overheating
Causes
- Coolant level sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in sensor connectors
- Starter/Generator Control Module Malfunction
- Problems with power or grounding of the circuit
How to Fix
- Check the continuity of the coolant level sensor circuit
- Check sensor connectors for corrosion or damage.
- Replace the coolant level sensor if necessary
- Check and replace starter/generator control module if necessary
Related codes
FAQ
What does the P1A85 code mean?
P1A85 is an OBD-II diagnostic trouble code that indicates: Starter/Generator Control Module Coolant Level Sensor 4 Low Voltage
What causes a P1A85 error code?
The most common causes of P1A85 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 P1A85 diagnostic trouble code?
To fix P1A85: Check the continuity of the coolant level sensor circuit. Check sensor connectors for corrosion or damage.. Replace the coolant level sensor if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1A85?
Yes, but get it checked soon
How much does it cost to fix P1A85?
The estimated repair cost for P1A85 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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