AutoCodes – Buick – P165C Buick

P165C Buick 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 Buick 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.

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Code Popularity 320

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 28, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P165C Buick Description

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Operating information and commands are exchanged among the control modules. Each module on the serial data circuit maintains a transmit error counter and a receive error counter. The counter values increase with detected errors and decrease with error-free messages. The Diagnostic Trouble Code (DTC) will be set when the Sensor Reference Voltage Status Message Counter is Incorrect.

OBDII Code P165C Buick - Sensor Reference Voltage Status Message Counter Incorrect - AutoCodes.com — P165C Buick Code - Sensor Reference Voltage Status Message Counter Incorrect

What does this mean?

What are the Possible Causes of the DTC P165C Buick?

Faulty Sensor Reference Voltage

How to Fix the DTC P165C 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 P165C 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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Need Help with the Code?

Get the P165C Buick code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P165C Buick Code

1. What are the common symptoms of OBDII code P165C in a Buick?

The common symptoms of OBDII code P165C in a Buick may include engine stalling, rough idling, poor acceleration, and the illumination of the Check Engine Light.

2. What are the possible causes of OBDII code P165C in a Buick?

Possible causes of OBDII code P165C in a Buick include a faulty sensor, issues with the sensor wiring or connections, or a problem with the engine control module (ECM).

3. How can I diagnose OBDII code P165C in my Buick?

Diagnosing OBDII code P165C in a Buick involves using an OBDII scanner to retrieve the code, checking the sensor and its connections for any visible issues, and testing the sensor's voltage output.

4. Can I still drive my Buick with OBDII code P165C?

It is not recommended to drive your Buick with OBDII code P165C, as it can lead to further damage to the engine or other components. It is best to address the issue promptly.

5. How can I repair OBDII code P165C in my Buick?

Repairing OBDII code P165C in a Buick may require replacing the faulty sensor, repairing any damaged wiring or connections, or reprogramming the ECM. It is recommended to consult a professional mechanic for proper diagnosis and repair.

6. Is it safe to reset the Check Engine Light after fixing OBDII code P165C in my Buick?

Yes, it is safe to reset the Check Engine Light after fixing OBDII code P165C in your Buick. This can be done using an OBDII scanner or by disconnecting the car's battery for a few minutes.

7. How do I prevent OBDII code P165C from occurring in my Buick in the future?

To prevent OBDII code P165C from occurring in your Buick in the future, it is important to regularly maintain your vehicle, including checking and replacing sensors as needed, ensuring proper wiring connections, and keeping the ECM in good condition.

8. Can a DIY enthusiast fix OBDII code P165C in a Buick?

While some DIY enthusiasts may be able to diagnose and repair OBDII code P165C in a Buick, it is recommended to seek professional help for accurate diagnosis and proper repair to avoid causing further damage.

9. How long does it typically take to repair OBDII code P165C in a Buick?

The time to repair OBDII code P165C in a Buick can vary depending on the exact cause of the issue and the availability of parts. It may take anywhere from a few hours to a day for a professional mechanic to diagnose and repair the problem.

10. Will OBDII code P165C affect the fuel efficiency of my Buick?

Yes, OBDII code P165C can potentially affect the fuel efficiency of your Buick due to issues such as poor engine performance, rough idling, or stalling. Addressing the code promptly can help maintain optimal fuel efficiency.