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P1E33 GMC Code - Auxiliary Transmission Fluid Pump Phase U-V-W Current Sensors Not Plausible

Quick Answer

The P1E33 GMC diagnostic trouble code indicates that the auxiliary transmission fluid pump phase U-V-W current sensors are not providing plausible readings. Common causes include Faulty auxiliary transmission fluid pump phase U-V-W current sensors, Wiring or connection issues affecting sensor signals, Electrical system malfunctions. 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
P1E33 GMC indicates Auxiliary Transmission Fluid Pump Phase U-V-W Current Sensors Not Plausible.
Common causes
Common causes include Faulty auxiliary transmission fluid pump phase U-V-W current sensors, Wiring or connection issues affecting sensor signals, Electrical system malfunctions.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 14, 2024
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Code P1E33 GMC Description

The P1E33 GMC diagnostic trouble code indicates that the auxiliary transmission fluid pump phase U-V-W current sensors are not providing plausible readings. This can lead to various issues with the vehicle's transmission system, affecting its performance and overall drivability. The auxiliary transmission fluid pump is responsible for maintaining proper fluid pressure and circulation within the transmission system, ensuring smooth gear shifts and optimal performance.

OBDII Code P1E33 GMC - Auxiliary Transmission Fluid Pump Phase U-V-W Current Sensors Not Plausible
P1E33 GMC Code - Auxiliary Transmission Fluid Pump Phase U-V-W Current Sensors Not Plausible

Common Causes of P1E33 GMC

  1. Faulty auxiliary transmission fluid pump phase U-V-W current sensors
  2. Wiring or connection issues affecting sensor signals
  3. Electrical system malfunctions
  4. Software glitches or communication errors within the transmission control module
  5. Fluid contamination or degradation affecting sensor performance

Symptoms of P1E33 GMC

  1. Erratic shifting behavior
  2. Harsh gear changes
  3. Transmission slippage
  4. Illumination of the Check Engine Light
  5. Reduced fuel efficiency

How to Fix P1E33 GMC

  1. Diagnose the exact cause of the issue by conducting a thorough inspection of the auxiliary transmission fluid pump phase U-V-W current sensors and related components.
  2. Test the sensors for proper functionality and check for any wiring or connection issues that may be affecting their performance.
  3. Replace any faulty sensors or repair damaged wiring to restore accurate sensor readings.
  4. Clear the diagnostic trouble codes from the vehicle's system and perform a test drive to ensure the issue has been resolved.
  5. Monitor the transmission system for any further issues and address any additional concerns as needed.

Cost to Fix P1E33 GMC

The typical repair costs for addressing the P1E33 GMC code can vary depending on the specific cause of the issue and the extent of repairs needed. On average, the cost of replacing faulty sensors and addressing wiring issues related to this code can range from $200 to $500, including parts and labor. However, it's important to note that diagnosis time and labor rates at auto repair shops can vary significantly, so it's advisable to check with local shops for a more accurate estimate based on your vehicle make and model.

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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 P1E33 GMC Code

1. What are the common symptoms of OBDII code P1E33 in a GMC vehicle?

- Common symptoms include transmission shifting issues, reduced power, and illuminated warning lights on the dashboard.

2. What does the OBDII code P1E33 GMC indicate?

- The code P1E33 indicates an issue with the Auxiliary Transmission Fluid Pump Phase U-V-W Current Sensors not providing plausible data.

3. What are the possible causes of OBDII code P1E33 in a GMC vehicle?

- Possible causes include faulty sensors, damaged wiring or connectors, a malfunctioning auxiliary transmission fluid pump, or a software glitch.

4. How can I diagnose the cause of OBDII code P1E33 in my GMC vehicle?

- Diagnosis typically involves using a diagnostic scanner to read the code, inspecting the sensors and wiring for damage, and testing the auxiliary transmission fluid pump for proper operation.

5. Can OBDII code P1E33 in a GMC vehicle be fixed at home?

- Depending on the cause, some DIY repairs may be possible, such as replacing a faulty sensor or repairing damaged wiring. However, complex repairs may require professional assistance.

6. Is it safe to drive with OBDII code P1E33 present in a GMC vehicle?

- It is not recommended to drive with the code present, as it can lead to further damage to the transmission system and potentially unsafe driving conditions.

7. How much does it typically cost to repair OBDII code P1E33 in a GMC vehicle?

- The cost of repairs can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

8. Can resetting the OBDII code P1E33 in a GMC vehicle make it go away permanently?

- Simply resetting the code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to reappear once the system detects the problem again.

9. Are there any recommended maintenance practices to prevent OBDII code P1E33 in a GMC vehicle?

- Regularly checking and servicing the transmission system, including the auxiliary fluid pump and related components, can help prevent issues that lead to code P1E33.

10. How long does it take to repair OBDII code P1E33 in a GMC vehicle?

- The repair time can vary depending on the specific cause and complexity of the issue. Some repairs may be completed in a few hours, while more involved repairs could take a day or longer.

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