P1E49 Buick 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 Buick 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 Buick 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 Buick?
- 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 Buick?
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 Buick 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 P1E49 Buick Code
1. What does the OBDII code P1E49 mean for a Buick?
The P1E49 code indicates an issue with the 14 Volt Power Module Temperature Sensor 2 Circuit detecting a high temperature.
2. What are the common symptoms of the P1E49 code?
Symptoms may include the check engine light turning on, reduced charging system performance, or the vehicle entering limp mode.
3. What causes the P1E49 code to appear?
Causes can include a malfunctioning temperature sensor, wiring issues, poor electrical connections, or a faulty 14 Volt Power Module.
4. Can a P1E49 code cause drivability issues?
Yes, it may lead to reduced charging performance or limited vehicle operation if the system enters a protective mode.
5. How is the P1E49 code diagnosed?
A technician will use a scan tool to confirm the code, inspect the temperature sensor and wiring, and test the 14 Volt Power Module for faults.
6. Can I drive my Buick with a P1E49 code?
Driving is possible, but it’s not recommended as it may lead to further damage or reduced system functionality.
7. How can the P1E49 code be fixed?
Repairs may involve replacing the temperature sensor, repairing damaged wiring, or replacing the 14 Volt Power Module if it’s faulty.
8. How much does it cost to repair the P1E49 code?
Costs vary, but replacing a temperature sensor or repairing wiring may cost between $150 and $400, while a 14 Volt Power Module replacement can be more expensive.
9. Can a weak battery trigger the P1E49 code?
A weak or failing battery is unlikely to directly trigger this code, but it could contribute to electrical issues that exacerbate the problem.
10. Is the P1E49 code specific to Buick vehicles?
While P1E49 is common in Buicks, it may also appear in other GM vehicles with similar systems, as it relates to the 14 Volt Power Module.
Discuss the causes and fixes for P1E49 Buick OBDII Code
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