P1E49 Cadillac 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 Cadillac 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 Cadillac 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 Cadillac?
- 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 Cadillac?
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 Cadillac 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 Cadillac Code
1. What does the OBDII code P1E49 mean on a Cadillac?
P1E49 indicates a problem with the 14 Volt Power Module Temperature Sensor 2, specifically detecting a high temperature condition in its circuit.
2. What are common symptoms of code P1E49 in a Cadillac?
Symptoms may include an illuminated check engine light, reduced charging system performance, or electrical system malfunctions.
3. What causes the P1E49 code to appear?
Common causes include a faulty temperature sensor, wiring issues such as shorts or open circuits, or a malfunctioning 14 Volt Power Module.
4. Can I still drive my Cadillac with a P1E49 code?
It's not recommended, as the code points to a potential issue with the charging system that could lead to battery depletion or further electrical problems.
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. How can I fix the P1E49 code on my Cadillac?
Repairs may include replacing the temperature sensor, repairing or replacing damaged wiring, or replacing the 14 Volt Power Module if necessary.
7. How much does it cost to repair the P1E49 code?
The cost depends on the specific issue but may range from $100 for sensor replacement to over $500 for module repair or replacement.
8. Can a dead battery trigger the P1E49 code?
A weak or failing battery is unlikely to directly cause this code, but electrical system issues related to the power module could contribute.
9. Is the P1E49 code specific to Cadillacs?
Yes, this code is specific to Cadillac vehicles equipped with a 14 Volt Power Module and its associated systems.
10. Can I reset the P1E49 code without fixing the problem?
While you can clear the code with a scan tool, it will likely return unless the underlying issue is resolved.
Discuss the causes and fixes for P1E49 Cadillac OBDII Code
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