P1E35 Buick Code - Auxiliary Transmission Fluid Pump Inverter Temperature Sensor Circuit Low Voltage
Quick Answer
The P1E35 Buick diagnostic trouble code (DTC) specifically refers to the Auxiliary Transmission Fluid Pump Inverter Temperature Sensor Circuit registering a low voltage. Common causes include Faulty auxiliary transmission fluid pump inverter temperature sensor, Wiring or connection issues in the sensor circuit, Corrosion or damage to the sensor circuit components. 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
- P1E35 Buick indicates Auxiliary Transmission Fluid Pump Inverter Temperature Sensor Circuit Low Voltage.
- Common causes
- Common causes include Faulty auxiliary transmission fluid pump inverter temperature sensor, Wiring or connection issues in the sensor circuit, Corrosion or damage to the sensor circuit components.
- 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 P1E35 Buick Description
The P1E35 Buick diagnostic trouble code (DTC) specifically refers to the Auxiliary Transmission Fluid Pump Inverter Temperature Sensor Circuit registering a low voltage. In vehicles equipped with hybrid powertrains, such as the Buick LaCrosse eAssist, the auxiliary transmission fluid pump inverter is responsible for regulating the temperature of the transmission fluid to ensure optimal performance and efficiency. The temperature sensor circuit monitors the temperature of the inverter to prevent overheating and potential damage to the system.
Common Causes of P1E35 Buick
- Faulty auxiliary transmission fluid pump inverter temperature sensor.
- Wiring or connection issues in the sensor circuit.
- Corrosion or damage to the sensor circuit components.
- Electrical system malfunctions.
- Software or programming issues related to the sensor circuit.
Symptoms of P1E35 Buick
- Illumination of the check engine light on the dashboard.
- Decreased fuel efficiency due to inefficient transmission fluid temperature regulation.
- Transmission slipping or delayed shifting.
- Rough or jerky transmission operation.
- Overheating of the transmission fluid.
How to Fix P1E35 Buick
- Diagnose the issue by using a scan tool to retrieve the specific DTC and verify the low voltage reading from the sensor circuit.
- Inspect the wiring and connections of the auxiliary transmission fluid pump inverter temperature sensor for any damage, corrosion, or loose connections.
- Test the sensor itself to determine if it is functioning properly or needs replacement.
- Replace the faulty sensor or repair any damaged wiring or connections as necessary.
- Clear the DTC from the vehicle's computer system and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P1E35 Buick
The typical repair costs for addressing a P1E35 Buick code can vary depending on the specific cause of the issue and the cost of parts and labor. In general, the cost of replacing a faulty auxiliary transmission fluid pump inverter temperature sensor can range from $150 to $300, including parts and labor. Additional costs may apply if there are wiring or connection issues that need to be repaired. It's important to note that diagnostic time and labor rates at auto repair shops can vary, so it's recommended to check with local shops for a more accurate estimate based on your location and vehicle model.
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Frequently Asked Questions about P1E35 Buick Code
1. What does the OBDII code P1E35 mean on a Buick?
P1E35 indicates a low voltage issue in the Auxiliary Transmission Fluid Pump Inverter Temperature Sensor Circuit, which monitors the temperature of the auxiliary transmission fluid pump inverter.
2. What are the symptoms of code P1E35 in a Buick?
Symptoms may include a check engine light, erratic transmission performance, reduced fuel efficiency, and potential overheating of the transmission.
3. What causes the P1E35 code to appear on a Buick?
Common causes include a faulty inverter temperature sensor, damaged wiring or connectors in the circuit, or an issue with the auxiliary transmission fluid pump module.
4. Can I drive my Buick with the P1E35 code?
Driving with this code is not recommended as it could lead to transmission overheating or further damage if the issue is not addressed.
5. How do I diagnose the P1E35 code on my Buick?
Diagnosis involves checking the wiring and connectors for damage, testing the inverter temperature sensor, and using a scan tool to monitor real-time data from the sensor.
6. How is the P1E35 code repaired on a Buick?
Repairs may include replacing the inverter temperature sensor, repairing or replacing damaged wiring, or addressing issues with the auxiliary transmission fluid pump module.
7. How much does it cost to fix the P1E35 code on a Buick?
Repair costs vary depending on the issue but typically range from $100 to $500, including parts and labor.
8. Can a bad inverter temperature sensor trigger the P1E35 code on a Buick?
Yes, a malfunctioning inverter temperature sensor is one of the most common causes of the P1E35 code.
9. Will clearing the P1E35 code solve the problem on my Buick?
Clearing the code without addressing the underlying issue will not fix the problem, and the code is likely to return.
10. What tools are needed to troubleshoot the P1E35 code on a Buick?
You’ll need a diagnostic scan tool, a multimeter, and possibly wiring diagrams for your vehicle to troubleshoot this code effectively.
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