P1873 Buick Code - Torque Converter Clutch Stator Temperature Switch Circuit Low
Quick Answer
The P1873 Buick code refers to an issue with the Torque Converter Clutch Stator Temperature Switch Circuit being detected as low. Common causes include Faulty Torque Converter Clutch Stator Temperature Switch, Damaged wiring or connectors in the circuit, PCM software or hardware issues. 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
- P1873 Buick indicates Torque Converter Clutch Stator Temperature Switch Circuit Low.
- Common causes
- Common causes include Faulty Torque Converter Clutch Stator Temperature Switch, Damaged wiring or connectors in the circuit, PCM software or hardware issues.
- 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 P1873 Buick Description
The P1873 Buick code refers to an issue with the Torque Converter Clutch Stator Temperature Switch Circuit being detected as low. In automatic transmissions, the torque converter plays a crucial role in transferring power from the engine to the transmission. The torque converter clutch (TCC) stator temperature switch is a sensor that monitors the temperature of the stator inside the torque converter. The stator is a component that helps improve the efficiency of the torque converter by redirecting fluid flow.
Common Causes of P1873 Buick
- Faulty Torque Converter Clutch Stator Temperature Switch
- Damaged wiring or connectors in the circuit
- PCM software or hardware issues
- Low transmission fluid levels
- Overheating of the torque converter
Symptoms of P1873 Buick
- Transmission slipping
- Poor fuel economy
- Engine stalling
- Harsh shifting
- Illuminated check engine light
How to Fix P1873 Buick
- Diagnose the Code: Use an OBD-II scanner to retrieve the P1873 code and perform a visual inspection of the wiring and connectors associated with the Torque Converter Clutch Stator Temperature Switch Circuit.
- Test the Sensor: Check the sensor's resistance and voltage output to determine if it is functioning correctly.
- Repair or Replace Sensor: If the sensor is faulty, replace it with a new one and ensure proper connection to the wiring.
- Check Wiring and Connectors: Inspect the wiring for any damage or corrosion, repair or replace as needed. Ensure connectors are clean and securely attached.
- Clear Codes and Test Drive: Clear the diagnostic trouble codes with the scanner and take the vehicle for a test drive to ensure the issue has been resolved.
Cost to Fix P1873 Buick
The cost of repairing a P1873 Buick code can vary depending on the specific cause of the issue. In general, the cost of parts such as a new Torque Converter Clutch Stator Temperature Switch can range from $50 to $150. Labor rates at auto repair shops typically range from $80 to $150 per hour. The total repair cost, including parts and labor, could be anywhere from $150 to $400. It's important to note that prices can vary based on location, vehicle make and model, and the shop's labor rates. It's recommended to obtain quotes from multiple shops to get a more accurate estimate.
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