P1E30 Code - Auxiliary Transmission Fluid Pump Phase W 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
- P1E30 indicates Auxiliary Transmission Fluid Pump Phase W 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.
Code P1E30 Description
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.
What are the Possible Causes of the DTC P1E30?
- 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 P1E30?
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 P1E30 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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Information for Specific Makes
- P1E30 Buick — Auxiliary Transmission Fluid Pump Phase W Current Sensor Circuit Low Voltage
- P1E30 Cadillac — Auxiliary Transmission Fluid Pump Phase W Current Sensor Circuit Low Voltage
- P1E30 Chevrolet — Auxiliary Transmission Fluid Pump Phase W Current Sensor Circuit Low Voltage
- P1E30 GMC — Auxiliary Transmission Fluid Pump Phase W Current Sensor Circuit Low Voltage
- P1E30 Saturn — Auxiliary Transmission Fluid Pump Phase W Current Sensor Circuit Low Voltage
Frequently Asked Questions about P1E30 Code
What does the OBDII code P1E30 mean?
P1E30 indicates an issue with the Auxiliary Transmission Fluid Pump Phase W Current Sensor Circuit, specifically detecting low voltage.
What are the common symptoms of code P1E30?
Symptoms may include transmission overheating, erratic shifting, reduced fuel efficiency, or activation of the check engine light.
What causes the P1E30 code to appear?
The code can be triggered by a faulty current sensor, damaged wiring, poor electrical connections, or a malfunctioning auxiliary transmission fluid pump.
How is the P1E30 code diagnosed?
A technician will use a scan tool to confirm the code, inspect the wiring and connections, and test the auxiliary transmission fluid pump and current sensor for proper function.
Can I drive my car with the P1E30 code active?
Driving with this code is not recommended, as it may lead to transmission damage or overheating if the auxiliary pump is not functioning correctly.
How do you fix the P1E30 code?
Repairs may include replacing the current sensor, repairing damaged wiring, cleaning corroded connections, or replacing the auxiliary transmission fluid pump if it's defective.
What tools are needed to fix the P1E30 code?
A scan tool, multimeter, and basic repair tools are typically needed to diagnose and repair this issue.
Is the P1E30 code specific to certain vehicles?
Yes, P1E30 is most commonly associated with hybrid or electric vehicles that use an auxiliary transmission fluid pump system.
How much does it cost to repair the P1E30 code?
Repair costs vary but can range from $150 to $600 depending on whether the issue involves wiring repairs or pump replacement.
Can a low transmission fluid level cause the P1E30 code?
Low transmission fluid is unlikely to directly cause this code but may exacerbate related transmission issues if not addressed.
Discuss the causes and fixes for P1E30 OBDII Code
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