P165C 2017 Chevrolet Silverado Code - Sensor Reference Voltage Status Message Counter Incorrect
Quick Answer
Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Common causes include Faulty Sensor Reference Voltage. 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
- P165C 2017 Chevrolet Silverado indicates Sensor Reference Voltage Status Message Counter Incorrect.
- Common causes
- Common causes include Faulty Sensor Reference Voltage.
- 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 P165C 2017 Chevrolet Silverado Description
What are the Possible Causes of the DTC P165C 2017 Chevrolet Silverado?
- Faulty Sensor Reference Voltage
How to Fix the DTC P165C 2017 Chevrolet Silverado?
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 P165C 2017 Chevrolet Silverado 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 P165C 2017 Chevrolet Silverado Code
1. What does the OBDII code P165C mean on a 2017 Chevrolet Silverado?
P165C indicates that the sensor reference voltage status message counter is incorrect, meaning there’s an issue with the communication or voltage signal from a sensor to the engine control module (ECM).
2. What are the common symptoms of code P165C in a 2017 Chevrolet Silverado?
Symptoms may include the check engine light turning on, reduced engine performance, erratic sensor readings, or difficulty diagnosing specific sensor-related issues.
3. What causes the P165C code to appear on a 2017 Chevrolet Silverado?
Possible causes include a faulty sensor, wiring issues, a damaged connector, a malfunctioning ECM, or interference in the communication network.
4. Can a loose or damaged wiring harness cause the P165C code?
Yes, a loose or damaged wiring harness can disrupt the sensor reference voltage, leading to the P165C code.
5. How is the P165C code diagnosed on a 2017 Chevrolet Silverado?
Technicians typically use a diagnostic scanner to verify the code, inspect sensor voltages, check wiring and connectors, and test the ECM for proper function.
6. Can a bad ECM cause the P165C code on a 2017 Chevrolet Silverado?
Yes, a malfunctioning ECM can fail to process or transmit the sensor reference voltage correctly, triggering the P165C code.
7. What sensors might be involved with the P165C code on a 2017 Chevrolet Silverado?
Sensors that rely on reference voltage, such as the throttle position sensor, mass airflow sensor, or manifold absolute pressure sensor, could be involved.
8. How can I fix the P165C code on my 2017 Chevrolet Silverado?
Repairs may include replacing a faulty sensor, repairing damaged wiring, cleaning corroded connectors, or reprogramming or replacing the ECM.
9. Is it safe to drive a 2017 Chevrolet Silverado with the P165C code?
Driving with this code may not be safe, as it could lead to reduced engine performance or further damage to critical components.
10. How much does it cost to repair the P165C code on a 2017 Chevrolet Silverado?
Repair costs vary depending on the issue but may range from $100 for minor wiring repairs to $1,000 or more if the ECM needs replacement.
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