P1198 Dodge Code - Radiator Temp Sensor Input Too High
Quick Answer
The P1198 diagnostic trouble code for Dodge vehicles indicates that the Radiator Temperature Sensor Input is reading too high. Common causes include Faulty radiator temperature sensor, Wiring or connector issues in the sensor circuit, Coolant level or quality problems. 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
- P1198 Dodge indicates Radiator Temp Sensor Input Too High.
- Common causes
- Common causes include Faulty radiator temperature sensor, Wiring or connector issues in the sensor circuit, Coolant level or quality problems.
- 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 P1198 Dodge Description
The P1198 diagnostic trouble code for Dodge vehicles indicates that the Radiator Temperature Sensor Input is reading too high. This sensor is responsible for monitoring the coolant temperature in the radiator and sending this information to the engine control module (ECM). When the sensor detects a temperature that is higher than normal, it triggers this trouble code. This issue can lead to incorrect engine temperature readings, which may affect fuel delivery, ignition timing, and other engine functions. If left unresolved, it could potentially cause engine overheating, reduced fuel efficiency, and even engine damage.
Common Causes of P1198 Dodge
- Faulty radiator temperature sensor
- Wiring or connector issues in the sensor circuit
- Coolant level or quality problems
- Cooling system malfunction
- ECM software or hardware issues
Symptoms of P1198 Dodge
- Engine overheating
- Poor fuel economy
- Rough idle or stalling
- Check engine light illuminated
- Loss of engine power
How to Fix P1198 Dodge
- Start by conducting a visual inspection of the radiator temperature sensor and its wiring for any signs of damage or corrosion.
- Test the sensor using a multimeter to check its resistance and compare the readings with specifications from the manufacturer.
- Check the coolant level and quality, ensuring it is at the correct level and free from contaminants.
- Inspect the cooling system components, such as the radiator, thermostat, and water pump, for any issues that could affect temperature readings.
- If necessary, replace the radiator temperature sensor and perform a reset of the ECM to clear the trouble code.
Cost to Fix P1198 Dodge
The cost of repairing a P1198 code for a Dodge vehicle can vary depending on the specific model and year, as well as the extent of the issue. On average, parts for this repair may cost between $50 and $150, while labor costs can range from $100 to $200. Keep in mind that diagnostic time and labor rates at auto repair shops can fluctuate based on location and other factors, so it's recommended to obtain quotes from local service providers for a more accurate estimate.
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