AutoCodes – Saturn – P1E2A Saturn

P1E2A Saturn Code - Auxiliary Transmission Fluid Pump Phase U Current Sensor Circuit Low Voltage

Quick Answer

The power inverter module, often referred to as the drive motor generator power inverter module, contains three motor control modules and the hybrid powertrain control module. Common causes include Program Power Inverter Module, Faulty Power Inverter Module, Power Inverter Module harness is open or shorted. 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: P1E2A Saturn indicates Auxiliary Transmission Fluid Pump Phase U Current Sensor Circuit Low Voltage.
Common causes: Common causes include Program Power Inverter Module, Faulty Power Inverter Module, Power Inverter Module harness is open or shorted.
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 Popularity 843

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 23, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1E2A Saturn Description

The power inverter module, often referred to as the drive motor generator power inverter module, contains three motor control modules and the hybrid powertrain control module. Two of the motor control modules operate their respective drive motor generator based upon power inverter module commands. The third motor control module controls the auxiliary transmission fluid pump motor. This is an internal fault detection of the power inverter module. This fault is handled inside the power inverter module and no external circuits are involved.
Each motor control module operates its respective drive motor based upon hybrid powertrain control module commands. Each motor control module controls its respective motor through the sequencing actuation of high-current switching transistors called insulated gate bipolar transistors. Each motor operates utilising 3-phase alternating current AC electricity. Each insulated gate bipolar transistor operates a single phase of the drive motor generator. Each phase is individually identified as U, V and W. Each motor control module monitors the current of each phase in order to detect out of range current conditions.
Because each individual motor's phase circuits are electrically joined together, the phases normally flow about the same amount of current. The motor control module performs a mathematical calculation to verify that the phase current sensors are accurate. If the U-V-W phase current sensors indicate about the same amount of phase current, the sum of the calculation should be near zero. If the U-V-W phase currents are not similar, this DTC will set.

OBDII Code P1E2A Saturn - Auxiliary Transmission Fluid Pump Phase U Current Sensor Circuit Low Voltage - AutoCodes.com — P1E2A Saturn Code - Auxiliary Transmission Fluid Pump Phase U Current Sensor Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P1E2A Saturn?

Program Power Inverter Module
Faulty Power Inverter Module
Power Inverter Module harness is open or shorted
Power Inverter Module circuit poor electrical connection

How to Fix the DTC P1E2A Saturn?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1E2A Saturn code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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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.

Frequently Asked Questions about P1E2A Saturn Code

1. What are the common symptoms of OBDII code P1E2A in a Saturn related to the Auxiliary Transmission Fluid Pump Phase U Current Sensor Circuit Low Voltage?

- Common symptoms include erratic shifting patterns, transmission slipping, harsh shifting, and the transmission going into limp mode.

2. What are the possible causes of OBDII code P1E2A in a Saturn related to the Auxiliary Transmission Fluid Pump Phase U Current Sensor Circuit Low Voltage?

- Possible causes include a faulty transmission fluid pump, damaged wiring or connectors, low transmission fluid levels, or a malfunctioning current sensor.

3. How can I diagnose OBDII code P1E2A in my Saturn for the Auxiliary Transmission Fluid Pump Phase U Current Sensor Circuit Low Voltage?

- A diagnostic scan tool can be used to read the code and identify the specific issue. Further testing of the transmission fluid pump, wiring, connectors, and current sensor may be necessary.

4. Can I drive my Saturn with OBDII code P1E2A related to the Auxiliary Transmission Fluid Pump Phase U Current Sensor Circuit Low Voltage?

- It is not recommended to drive the vehicle with this code as it can lead to further damage to the transmission. It is best to address the issue promptly.

5. How can I repair OBDII code P1E2A in my Saturn for the Auxiliary Transmission Fluid Pump Phase U Current Sensor Circuit Low Voltage?

- Repairing this code may involve replacing the faulty transmission fluid pump, repairing or replacing damaged wiring or connectors, and ensuring proper transmission fluid levels.

6. Is it possible to reset OBDII code P1E2A in a Saturn related to the Auxiliary Transmission Fluid Pump Phase U Current Sensor Circuit Low Voltage?

- Clearing the code using a diagnostic scan tool may temporarily turn off the check engine light, but the underlying issue causing the code will need to be addressed for a permanent solution.

7. Can a DIY enthusiast fix OBDII code P1E2A in a Saturn related to the Auxiliary Transmission Fluid Pump Phase U Current Sensor Circuit Low Voltage?

- Depending on the skill level and experience of the individual, it may be possible to diagnose and repair this code. However, complex transmission issues may require professional assistance.

8. How much does it typically cost to repair OBDII code P1E2A in a Saturn related to the Auxiliary Transmission Fluid Pump Phase U Current Sensor Circuit Low Voltage?

- The cost of repairs can vary depending on the specific issue causing the code, the labor rates of the repair shop, and the cost of parts. It is recommended to obtain quotes from multiple sources.

9. Are there any preventive maintenance tips to avoid OBDII code P1E2A in a Saturn related to the Auxiliary Transmission Fluid Pump Phase U Current Sensor Circuit Low Voltage?

- Regularly checking the transmission fluid level and condition, addressing any leaks promptly, and following the manufacturer's recommended maintenance schedule can help prevent issues leading to this code.

10. How long can I safely drive my Saturn with OBDII code P1E2A related to the Auxiliary Transmission Fluid Pump Phase U Current Sensor Circuit Low Voltage before getting it repaired?

- It is best to avoid driving the vehicle with this code for an extended period as it can cause further damage to the transmission. It is recommended to address the issue as soon as possible.