P0117 Cadillac Code - Engine Coolant Temperature Circuit Low Input
Quick Answer
The P0117 code for Cadillac indicates that there is a low input signal from the engine coolant temperature sensor. Common causes include Faulty engine coolant temperature sensor, Wiring issues or poor electrical connections, Low coolant level. 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 Cadillac indicates Engine Coolant Temperature Circuit Low Input.
- Common causes
- Common causes include Faulty engine coolant temperature sensor, Wiring issues or poor electrical connections, Low coolant level.
- 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 P0117 Cadillac Description
The P0117 code for Cadillac indicates that there is a low input signal from the engine coolant temperature sensor. This sensor is responsible for monitoring the temperature of the engine coolant and providing this information to the engine control module (ECM). The ECM uses this data to adjust fuel delivery and ignition timing to optimize engine performance and fuel efficiency. When the input signal is low, it can lead to incorrect fuel mixture, ignition timing, and other parameters, potentially causing poor engine performance, reduced fuel efficiency, and increased emissions.
Common Causes of P0117 Cadillac
- Faulty engine coolant temperature sensor
- Wiring issues or poor electrical connections
- Low coolant level
- Thermostat malfunction
- ECM malfunction
Symptoms of P0117 Cadillac
- Engine overheating
- Poor fuel economy
- Rough idling or stalling
- Check Engine Light illuminated
- Inaccurate temperature gauge readings
How to Fix P0117 Cadillac
- Begin by checking the coolant level and topping it off if necessary.
- Inspect the wiring and connections to the engine coolant temperature sensor for any damage or corrosion.
- Test the engine coolant temperature sensor using a multimeter to determine if it is functioning correctly.
- Replace the engine coolant temperature sensor if it is found to be faulty.
- If the issue persists, further diagnostics may be required to identify any other underlying problems.
Cost to Fix P0117 Cadillac
The cost of repairing a P0117 code in a Cadillac can vary depending on the specific cause of the issue. In general, replacing the engine coolant temperature sensor can cost between $50 and $150 for the part, with additional labor costs ranging from $80 to $150 per hour. The total cost may range from $150 to $300 or more, depending on the shop's labor rates and any additional repairs or diagnostics needed. It is recommended to consult with a trusted mechanic to get a more accurate estimate based on your vehicle's specific circumstances.
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