P1A73 Chevrolet Code - 14 Volt Power Module Temperature Sensor 2 Circuit High Voltage
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 Faulty 14 Volt Power Module Temperature Sensor 2, 14 Volt Power Module Temperature Sensor 2 harness is open or shorted, 14 Volt Power Module Temperature Sensor 2 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
- P1A73 Chevrolet indicates 14 Volt Power Module Temperature Sensor 2 Circuit High Voltage.
- Common causes
- Common causes include Faulty 14 Volt Power Module Temperature Sensor 2, 14 Volt Power Module Temperature Sensor 2 harness is open or shorted, 14 Volt Power Module Temperature Sensor 2 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 P1A73 Chevrolet Description
What are the Possible Causes of the DTC P1A73 Chevrolet?
- Faulty 14 Volt Power Module Temperature Sensor 2
- 14 Volt Power Module Temperature Sensor 2 harness is open or shorted
- 14 Volt Power Module Temperature Sensor 2 circuit poor electrical connection
How to Fix the DTC P1A73 Chevrolet?
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 P1A73 Chevrolet 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 P1A73 Chevrolet Code
1. What does the OBDII code P1A73 mean on a Chevrolet?
P1A73 indicates an issue with the 14 Volt Power Module Temperature Sensor 2 Circuit, specifically detecting a high voltage condition.
2. What are the common symptoms of P1A73 in a Chevrolet?
Symptoms may include an illuminated check engine light, reduced fuel efficiency, difficulty starting, or limited electrical system performance.
3. What causes the P1A73 code to appear?
Common causes include a faulty temperature sensor, damaged wiring, poor electrical connections, or issues within the 14 Volt Power Module.
4. Can I drive my Chevrolet with the P1A73 code?
It is not recommended to drive long-term with this code as it may compromise the electrical system and could lead to further damage.
5. How do I diagnose the P1A73 code on my Chevrolet?
Diagnosis may involve using an OBDII scanner, inspecting wiring and connectors, and testing the temperature sensor and 14 Volt Power Module.
6. How do I fix the P1A73 code?
Repairs typically include replacing the faulty temperature sensor, repairing damaged wiring, or addressing issues with the 14 Volt Power Module.
7. How much does it cost to repair the P1A73 code?
Repair costs can vary but typically range from $100 to $400 depending on whether the issue is with the sensor, wiring, or power module.
8. Can a dead battery cause the P1A73 code?
A dead or weak battery is unlikely to directly cause P1A73 but could exacerbate electrical issues related to the 14 Volt Power Module.
9. Is the P1A73 code specific to Chevrolet vehicles?
While P1A73 is most commonly associated with Chevrolet, it may also appear in other GM vehicles with similar systems.
10. Do I need to reprogram the ECU after fixing the P1A73 code?
In most cases, reprogramming the ECU is not necessary, but clearing the code with a scanner after repairs is recommended.
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