Engine-Codes - Generic - P1E30

P1E30 Code - Auxiliary Transmission Fluid Pump Phase W Current Sensor Circuit Low Voltage

- Code Popularity: 4,719 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1E30?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Program Power Inverter Module
  • Faulty Power Inverter Module
  • Power Inverter Module harness is open or shorted
  • Power Inverter Module circuit poor electrical connection
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How to Fix the DTC P1E30?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P1E30 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the P1E30 Code Mean?

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.

P1E30 Code - Auxiliary Transmission Fluid Pump Phase W Current Sensor Circuit Low Voltage

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Code P1E30 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

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