P1E49 Code - 14 Volt Power Module Temperature Sensor 2 Circuit High Temperature
Quick Answer
The 14 V power module, also called the accessory DC power control module, constantly monitors system temperature to protect against overheat 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
- P1E49 indicates 14 Volt Power Module Temperature Sensor 2 Circuit High Temperature.
- 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 P1E49 Description
The 14 V power module is an air cooled component. The 14 V power module vent fan is controlled by the hybrid powertrain control module 2.
What are the Possible Causes of the DTC P1E49?
- 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 P1E49?
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 P1E49 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.
Need more information about the P1E49 code?
Need more information on how to fix the P1E49 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1E49 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- P1E49 Acura — Slave Cylinder Drive Motor Current Malfunction Stuck
- P1E49 Buick — 14 Volt Power Module Temperature Sensor 2 Circuit High Temperature
- P1E49 Cadillac — 14 Volt Power Module Temperature Sensor 2 Circuit High Temperature
- P1E49 Chevrolet — 14 Volt Power Module Temperature Sensor 2 Circuit High Temperature
- P1E49 GMC — 14 Volt Power Module Temperature Sensor 2 Circuit High Temperature
- P1E49 Honda — Slave Cylinder Drive Motor Current Malfunction Stuck
- P1E49 Saturn — 14 Volt Power Module Temperature Sensor 2 Circuit High Temperature
Frequently Asked Questions about P1E49 Code
1. What does the OBDII code P1E49 mean?
P1E49 indicates that the 14 Volt Power Module’s Temperature Sensor 2 is detecting a temperature reading that is abnormally high or outside the expected range.
2. What are the common symptoms of the P1E49 code?
Symptoms may include an illuminated check engine light, reduced charging system performance, issues with the 14V power module, or potential electrical system malfunctions.
3. What causes the P1E49 code to be triggered?
Common causes include a faulty 14 Volt Power Module temperature sensor, damaged wiring or connectors, overheating of the module, or a malfunctioning power module itself.
4. How can I diagnose the P1E49 code?
Start by inspecting the wiring and connectors for damage or corrosion, check the temperature sensor's resistance values, and use a scan tool to monitor live data from the sensor and power module.
5. Is it safe to drive with the P1E49 code?
Driving may still be possible, but it’s not recommended, as overheating of the 14 Volt Power Module could lead to electrical failures or further damage to the system.
6. How can I fix the P1E49 code?
Repairs may include replacing the faulty temperature sensor, repairing or replacing damaged wiring or connectors, or replacing the 14 Volt Power Module if it is defective.
7. Can a blown fuse cause the P1E49 code?
A blown fuse is unlikely to directly cause this code, but electrical issues related to the sensor's circuit could result in similar faults.
8. How much does it cost to repair the P1E49 code?
Repair costs vary depending on the exact issue but can range from $50 for minor wiring repairs to $500 or more if the entire power module needs replacement.
9. Can extreme weather conditions trigger the P1E49 code?
Yes, extreme heat or poor cooling system function can contribute to overheating and potentially trigger the code.
10. Do I need a professional mechanic to fix the P1E49 code?
While experienced DIYers may be able to handle simple repairs, diagnosing and replacing the 14 Volt Power Module may require professional expertise.
Discuss the causes and fixes for P1E49 OBDII Code
Code P1E49 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
