P1A92 Code - 14 Volt Power Module Temperature Sensor 1 Circuit High Voltage
Quick Answer
The 14V Power Module also called the accessory DC power control module, constantly monitors system temperature to protect against overheat conditions. Common causes include Faulty 14 Volt Power Module, 14 Volt Power Module harness is open or shorted, 14 Volt Power Module circuit poor electrical connection. 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
- P1A92 indicates 14 Volt Power Module Temperature Sensor 1 Circuit High Voltage.
- Common causes
- Common causes include Faulty 14 Volt Power Module, 14 Volt Power Module harness is open or shorted, 14 Volt Power Module circuit poor electrical connection.
- 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 P1A92 Description
What are the Possible Causes of the DTC P1A92?
- Faulty 14 Volt Power Module
- 14 Volt Power Module harness is open or shorted
- 14 Volt Power Module circuit poor electrical connection
How to Fix the DTC P1A92?
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 P1A92 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
- P1A92 Buick — 14 Volt Power Module Temperature Sensor 1 Circuit High Voltage
- P1A92 Cadillac — 14 Volt Power Module Temperature Sensor 1 Circuit High Voltage
- P1A92 Chevrolet — 14 Volt Power Module Temperature Sensor 1 Circuit High Voltage
- P1A92 GMC — 14 Volt Power Module Temperature Sensor 1 Circuit High Voltage
- P1A92 Saturn — 14 Volt Power Module Temperature Sensor 1 Circuit High Voltage
Frequently Asked Questions about P1A92 Code
1. What does the OBDII code P1A92 mean?
P1A92 indicates that the 14 Volt Power Module Temperature Sensor 1 has detected a high voltage in its circuit, which suggests an issue with the sensor or related wiring.
2. What are the common symptoms of the P1A92 code?
Symptoms may include an illuminated check engine light, reduced fuel efficiency, difficulty starting the vehicle, or irregular charging system performance.
3. What causes the P1A92 code to appear?
Common causes include a faulty temperature sensor, damaged or corroded wiring, a malfunctioning 14V power module, or issues with the vehicle's control unit.
4. Can I drive my car with the P1A92 code active?
While the car may still be drivable, it’s not recommended as it can lead to further damage to the electrical or charging system.
5. How do I diagnose the P1A92 code?
Start by inspecting the wiring and connectors for damage or corrosion, test the temperature sensor for proper operation, and check the 14V power module for faults.
6. How can I fix the P1A92 code?
Repairs may include replacing the temperature sensor, repairing or replacing damaged wiring, or addressing faults in the 14V power module.
7. Does the P1A92 code always mean the temperature sensor is bad?
No, the code could also result from wiring issues, a malfunctioning power module, or a problem with the vehicle’s electronics.
8. How much does it cost to repair the P1A92 code?
The cost depends on the specific issue but generally ranges from $100 to $500, including diagnostics and parts replacement.
9. Can a low or overcharged battery cause the P1A92 code?
Yes, irregularities in the vehicle's electrical system, including battery voltage issues, can trigger this code.
10. Will clearing the P1A92 code solve the problem?
Clearing the code without addressing the underlying issue will likely cause it to reappear. Proper diagnosis and repair are necessary.
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