P1185 GMC Code - Engine Oil Temperature Sensor Circuit
Quick Answer
The P1185 GMC code refers to a fault in the engine oil temperature sensor circuit. Common causes include Faulty engine oil temperature sensor, Wiring or connector issues in the sensor circuit, Corrosion or damage to the sensor circuit. 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
- P1185 GMC indicates Engine Oil Temperature Sensor Circuit.
- Common causes
- Common causes include Faulty engine oil temperature sensor, Wiring or connector issues in the sensor circuit, Corrosion or damage to the sensor circuit.
- 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.
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Code P1185 GMC Description
The P1185 GMC code refers to a fault in the engine oil temperature sensor circuit. The engine oil temperature sensor is a crucial component that monitors the temperature of the engine oil. This information is vital for the engine control module (ECM) to make adjustments to the fuel injection and ignition timing, ensuring optimal engine performance and efficiency.
Common Causes of P1185 GMC
- Faulty engine oil temperature sensor
- Wiring or connector issues in the sensor circuit
- Corrosion or damage to the sensor circuit
- ECM software or hardware malfunction
- Engine oil contamination affecting sensor readings
Symptoms of P1185 GMC
- Check Engine Light is illuminated
- Inaccurate engine oil temperature readings on the dashboard
- Engine running rough or misfiring
- Reduced fuel efficiency
- Engine overheating
How to Fix P1185 GMC
- Begin by conducting a visual inspection of the sensor, wiring, and connectors for any visible damage or corrosion.
- Use a multimeter to test the resistance of the engine oil temperature sensor to determine if it is functioning correctly. Replace the sensor if necessary.
- Check the wiring harness for any breaks or shorts and repair or replace as needed.
- Clear the diagnostic trouble codes from the ECM and reset the Check Engine Light using a diagnostic scanner.
- Test drive the vehicle to ensure the issue has been resolved and that the engine oil temperature readings are now accurate.
Cost to Fix P1185 GMC
The cost of repairing the engine oil temperature sensor circuit can vary depending on the specific make and model of the vehicle, as well as the labor rates in your area. On average, the parts for this repair can range from $50 to $150, while the labor costs can range from $100 to $200. Overall, you can expect to pay anywhere from $150 to $350 for this repair job. Remember to consult with your local auto repair shops for more accurate pricing information.
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