P1E20 Saturn Code - Auxiliary Transmission Fluid Pump Control Module Hybrid/EV Battery Voltage Sense 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
- P1E20 Saturn indicates Auxiliary Transmission Fluid Pump Control Module Hybrid/EV Battery Voltage Sense 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 P1E20 Saturn Description
What are the Possible Causes of the DTC P1E20 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 P1E20 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 P1E20 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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Frequently Asked Questions about P1E20 Saturn Code
1. What does the OBDII code P1E20 mean on a Saturn vehicle?
P1E20 indicates an issue with the Auxiliary Transmission Fluid Pump Control Module, specifically a low voltage in the Hybrid/EV battery voltage sense circuit.
2. What are the common symptoms of the P1E20 code?
Symptoms may include a lit check engine light, reduced hybrid performance, transmission overheating, or the vehicle entering limp mode.
3. What causes the P1E20 code to appear?
Common causes include a faulty auxiliary transmission fluid pump control module, damaged wiring or connectors, a weak hybrid/EV battery, or a malfunctioning voltage sensor.
4. Can I drive my Saturn with the P1E20 code present?
It's not recommended, as the code may lead to reduced transmission cooling and potential damage to hybrid components if left unaddressed.
5. How do I diagnose the P1E20 code?
Begin by inspecting the wiring and connectors for damage or corrosion, test the hybrid/EV battery voltage, and check the auxiliary transmission fluid pump control module for faults.
6. What repairs are typically needed for a P1E20 code?
Repairs may involve replacing the faulty control module, repairing damaged wiring, cleaning corroded connectors, or addressing issues with the hybrid/EV battery.
7. How much does it cost to fix the P1E20 code on a Saturn?
Repair costs vary, but replacing the control module can range from $300 to $1,000, depending on labor and part costs.
8. Can a weak hybrid/EV battery trigger the P1E20 code?
Yes, a weak or failing hybrid/EV battery can cause low voltage in the system, triggering this code.
9. Does the P1E20 code affect fuel efficiency?
Yes, it can reduce fuel efficiency in hybrid vehicles due to impaired transmission and hybrid system performance.
10. Can clearing the P1E20 code with a scan tool fix the problem?
Clearing the code may reset the check engine light temporarily, but it won’t resolve the underlying issue causing the code.
Discuss the causes and fixes for P1E20 Saturn OBDII Code
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