Engine-CodesGeneric – P1E35

P1E35 Code - Auxiliary Transmission Fluid Pump Inverter Temperature Sensor Circuit Low Voltage

Quick Answer

The P1E35 diagnostic trouble code (DTC) refers to the Auxiliary Transmission Fluid Pump Inverter Temperature Sensor Circuit Low Voltage. Common causes include Faulty Temperature Sensor: The most common cause of the P1E35 code is a faulty temperature sensor in the auxiliary transmission fluid pump inverter, Wiring Issues: Problems with the wiring or connectors in the temperature sensor circuit can also trigger this code, Low Transmission Fluid: Insufficient transmission fluid levels can affect the performance of the transmission fluid pump inverter, leading to low voltage readings. 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 indicates Auxiliary Transmission Fluid Pump Inverter Temperature Sensor Circuit Low Voltage.
Common causes
Common causes include Faulty Temperature Sensor: The most common cause of the P1E35 code is a faulty temperature sensor in the auxiliary transmission fluid pump inverter, Wiring Issues: Problems with the wiring or connectors in the temperature sensor circuit can also trigger this code, Low Transmission Fluid: Insufficient transmission fluid levels can affect the performance of the transmission fluid pump inverter, leading to low voltage readings.
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.
Table of contents Created and updated by William Orellana on Sep 06, 2024
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Code P1E35 Description

The P1E35 diagnostic trouble code (DTC) refers to the Auxiliary Transmission Fluid Pump Inverter Temperature Sensor Circuit Low Voltage. This code indicates that there is a problem with the temperature sensor circuit in the auxiliary transmission fluid pump inverter, which is responsible for regulating the temperature of the transmission fluid. The transmission fluid pump inverter is a crucial component in hybrid vehicles that helps in managing the transmission system efficiently. When the temperature sensor circuit reports a low voltage, it means that the transmission fluid pump inverter may not be able to operate optimally, leading to potential performance issues and even damage to the transmission system.

OBDII Code P1E35 - Auxiliary Transmission Fluid Pump Inverter Temperature Sensor Circuit Low Voltage
P1E35 Code - Auxiliary Transmission Fluid Pump Inverter Temperature Sensor Circuit Low Voltage

Common Causes of P1E35

  1. Faulty Temperature Sensor: The most common cause of the P1E35 code is a faulty temperature sensor in the auxiliary transmission fluid pump inverter.
  2. Wiring Issues: Problems with the wiring or connectors in the temperature sensor circuit can also trigger this code.
  3. Low Transmission Fluid: Insufficient transmission fluid levels can affect the performance of the transmission fluid pump inverter, leading to low voltage readings.
  4. Electrical Interference: External factors such as electromagnetic interference or electrical noise can disrupt the signal from the temperature sensor circuit.

Symptoms of P1E35

  1. Check Engine Light: The first and most common symptom of the P1E35 code is the illumination of the check engine light on the vehicle's dashboard.
  2. Transmission Issues: The vehicle may experience transmission issues such as rough shifting, slipping gears, or hesitation during acceleration.
  3. Reduced Fuel Efficiency: A malfunctioning transmission fluid pump inverter can lead to increased friction in the transmission system, reducing fuel efficiency.
  4. Overheating: If the transmission fluid pump inverter is not operating correctly due to the low voltage from the temperature sensor circuit, it can cause the transmission fluid to overheat.

How to Fix P1E35

  1. Diagnose the Issue: Begin by using a diagnostic scanner to retrieve the trouble codes and identify the specific cause of the P1E35 code.
  2. Inspect the Temperature Sensor: Check the temperature sensor in the auxiliary transmission fluid pump inverter for any signs of damage or malfunction.
  3. Check Wiring and Connectors: Inspect the wiring and connectors in the temperature sensor circuit for any loose connections, corrosion, or damage.
  4. Replace the Temperature Sensor: If the sensor is found to be faulty, replace it with a new one and ensure proper installation.
  5. Clear Codes and Test Drive: Clear the trouble codes from the vehicle's ECM, then test drive the vehicle to ensure that the issue has been resolved.

Cost to Fix P1E35

The typical repair costs for addressing the P1E35 code can vary depending on the specific cause of the issue and the make and model of the vehicle. Generally, replacing a faulty temperature sensor in the auxiliary transmission fluid pump inverter can range from $150 to $300, including parts and labor. However, additional costs may apply if wiring repairs or other components need to be replaced. It's advisable to consult with a qualified mechanic or auto repair shop for a more accurate cost estimate based on the individual circumstances of the vehicle. Keep in mind that labor rates at auto repair shops can vary, typically ranging from $80 to $150 per hour.

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Code P1E35 Information for Specific Makes

  • P1E35 Acura — Brake Pedal Feel Simulator Cut Valve Incorrect Operation
  • P1E35 Buick — Auxiliary Transmission Fluid Pump Inverter Temperature Sensor Circuit Low Voltage
  • P1E35 Cadillac — Auxiliary Transmission Fluid Pump Inverter Temperature Sensor Circuit Low Voltage
  • P1E35 Chevrolet — Auxiliary Transmission Fluid Pump Inverter Temperature Sensor Circuit Low Voltage
  • P1E35 GMC — Auxiliary Transmission Fluid Pump Inverter Temperature Sensor Circuit Low Voltage
  • P1E35 Honda — Brake Pedal Feel Simulator Cut Valve Incorrect Operation
  • P1E35 Saturn — Auxiliary Transmission Fluid Pump Inverter Temperature Sensor Circuit Low Voltage
About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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