P1E45 Code - 14 Volt Power Module Temperature Sensors 1-2 Not Plausible
Quick Answer
The 14 V power module, also referred to as the accessory DC power control module, constantly monitors system temperature to protect against over-heat conditions. Common causes include Program 14 V Power Module, Faulty 14 V Power Module, 14 V Power 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
- P1E45 indicates 14 Volt Power Module Temperature Sensors 1-2 Not Plausible.
- Common causes
- Common causes include Program 14 V Power Module, Faulty 14 V Power Module, 14 V Power 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 P1E45 Description
What are the Possible Causes of the DTC P1E45?
- Program 14 V Power Module
- Faulty 14 V Power Module
- 14 V Power Module harness is open or shorted
- 14 V Power Module circuit poor electrical connection
How to Fix the DTC P1E45?
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 P1E45 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
- P1E45 Buick — 14 Volt Power Module Temperature Sensors 1-2 Not Plausible
- P1E45 Cadillac — 14 Volt Power Module Temperature Sensors 1-2 Not Plausible
- P1E45 Chevrolet — 14 Volt Power Module Temperature Sensors 1-2 Not Plausible
- P1E45 GMC — 14 Volt Power Module Temperature Sensors 1-2 Not Plausible
- P1E45 Saturn — 14 Volt Power Module Temperature Sensors 1-2 Not Plausible
Frequently Asked Questions about P1E45 Code
What does the OBDII code P1E45 mean?
It indicates that the temperature readings from sensors 1 and 2 in the 14-volt power module are not consistent or plausible.
What are the common symptoms of code P1E45?
Symptoms may include warning lights on the dashboard, reduced power output, or issues with the vehicle’s electrical system.
What causes the P1E45 code to appear?
It is often caused by faulty temperature sensors, wiring issues, or problems within the 14-volt power module itself.
Can I drive my car with a P1E45 code?
Driving with this code may lead to reduced performance or increased risk of electrical system failure, so it’s best to address it promptly.
How do I diagnose the P1E45 code?
Start by inspecting the temperature sensors, checking the wiring and connectors for damage, and testing the 14-volt power module.
What tools are needed to repair the P1E45 code?
You may need an OBDII scanner, a multimeter for electrical testing, and basic hand tools for inspecting and replacing components.
Can a bad battery cause the P1E45 code?
While unlikely, a weak or faulty battery can sometimes contribute to electrical module errors, so it’s worth testing the battery.
How much does it cost to fix the P1E45 code?
Repair costs vary depending on whether the issue is with sensors, wiring, or the power module, ranging from $100 to $1,000 or more.
Do I need to replace the 14-volt power module for a P1E45 code?
Replacement may be necessary if the module itself is malfunctioning, but sensors and wiring should be checked first.
Can a software update fix the P1E45 code?
In rare cases, a software update may resolve sensor calibration or communication issues, but this is not always the solution.
Discuss the causes and fixes for P1E45 OBDII Code
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