P1E2A GMC 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 GMC 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.
Code P1E2A GMC 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 P1E2A GMC?
- 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 GMC?
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 GMC 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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Frequently Asked Questions about P1E2A GMC Code
1. What are common symptoms of OBDII code P1E2A in a GMC vehicle?
- Common symptoms include poor shifting performance, transmission slipping, and illuminated warning lights on the dashboard.
2. What could be causing the OBDII code P1E2A to appear in a GMC vehicle?
- The code P1E2A typically indicates a malfunction in the Auxiliary Transmission Fluid Pump Phase U Current Sensor Circuit, often caused by wiring issues, sensor damage, or pump failure.
3. How can I diagnose the OBDII code P1E2A in my GMC vehicle?
- Diagnosis usually involves using a professional OBDII scanner to retrieve the code, followed by inspecting the wiring harness, checking sensor connections, and testing the auxiliary transmission fluid pump.
4. Can I continue driving my GMC vehicle with the OBDII code P1E2A present?
- It is not recommended to drive the vehicle with the code P1E2A present, as it can lead to further damage to the transmission system and potentially cause safety hazards.
5. How can I repair the OBDII code P1E2A in my GMC vehicle?
- Repair methods may include repairing or replacing damaged wiring, replacing the faulty current sensor, or replacing the auxiliary transmission fluid pump as needed.
6. Are there any DIY tips for fixing the OBDII code P1E2A in a GMC vehicle?
- DIY repairs for this code may be challenging due to the complexity of the transmission system. It is recommended to consult a professional mechanic for proper diagnosis and repair.
7. Can resetting the OBDII code P1E2A in a GMC vehicle make it go away permanently?
- Simply resetting the code may temporarily clear the warning light, but if the underlying issue causing the code is not addressed, it is likely to reappear.
8. Is the OBDII code P1E2A in a GMC vehicle a serious issue?
- Yes, the OBDII code P1E2A related to the Auxiliary Transmission Fluid Pump Phase U Current Sensor Circuit is a serious issue that should be addressed promptly to prevent further damage to the transmission system.
9. How much does it typically cost to repair the OBDII code P1E2A in a GMC vehicle?
- Repair costs for the OBDII code P1E2A can vary depending on the specific cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.
10. Can regular maintenance help prevent the OBDII code P1E2A from occurring in a GMC vehicle?
- Regular maintenance, such as checking and replacing transmission fluid as recommended, can help prevent issues that may lead to the OBDII code P1E2A, but it may not guarantee complete prevention.
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