P0117 Buick Code - Engine Coolant Temperature Circuit Low Input
Quick Answer
The P0117 Buick code indicates that there is a low input signal coming from the engine coolant temperature (ECT) sensor circuit. Common causes include Faulty engine coolant temperature sensor, Wiring or electrical connection issues, ECM malfunction. 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
- P0117 Buick indicates Engine Coolant Temperature Circuit Low Input.
- Common causes
- Common causes include Faulty engine coolant temperature sensor, Wiring or electrical connection issues, ECM malfunction.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P0117 Buick Description
The P0117 Buick code indicates that there is a low input signal coming from the engine coolant temperature (ECT) sensor circuit. The ECT sensor is responsible for monitoring the temperature of the engine coolant and sending this information to the engine control module (ECM). The ECM uses this data to adjust fuel delivery and ignition timing to ensure optimal engine performance and efficiency.
Common Causes of P0117 Buick
- Faulty engine coolant temperature sensor
- Wiring or electrical connection issues
- ECM malfunction
- Low coolant levels
- Coolant leaks
Symptoms of P0117 Buick
- Poor fuel economy
- Engine running rough or misfiring
- Difficulty starting the engine
- Engine overheating
- Check Engine Light illuminated
How to Fix P0117 Buick
- Start by checking the coolant level in the radiator and topping it up if necessary.
- Inspect the wiring and electrical connections related to the ECT sensor for any signs of damage or corrosion.
- Test the ECT sensor using a multimeter to determine if it is functioning correctly. Replace the sensor if it is faulty.
- Clear the diagnostic trouble codes from the ECM using an OBD-II scanner.
- Test drive the vehicle to ensure the issue has been resolved and the code does not reappear.
Cost to Fix P0117 Buick
The cost of repairing a P0117 Buick code can vary depending on the specific cause of the issue. On average, the cost of replacing an engine coolant temperature sensor ranges from $50 to $150, including parts and labor. However, additional costs may arise if there are wiring or ECM issues that need to be addressed. It is important to consult with a qualified mechanic to get an accurate estimate based on your vehicle's make and model. Additionally, labor rates and diagnostic fees can vary between auto repair shops, so it is advisable to research local rates before proceeding with the repair.
Need more information about the P0117 Buick code?
Need more information on how to fix the P0117 Buick code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0117 Buick code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0117 Buick Code
No Frequently Asked Questions about P0117 Buick Code found.
Discuss the causes and fixes for P0117 Buick OBDII Code
Code P0117 Buick comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.