AutoCodes – GMC – P16F1 GMC

P16F1 GMC Code - Control Module Serial Peripheral Interface Signal Message Counter Incorrect

Quick Answer

This diagnostic applies to internal microprocessor integrity conditions within the device. Common causes include Low battery voltage, Reprogram Powertrain Control Module (PCM), Faulty Powertrain Control Module. 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: P16F1 GMC indicates Control Module Serial Peripheral Interface Signal Message Counter Incorrect.
Common causes: Common causes include Low battery voltage, Reprogram Powertrain Control Module (PCM), Faulty Powertrain Control Module.
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 477

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 Jul 26, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P16F1 GMC Description

This diagnostic applies to internal microprocessor integrity conditions within the device. This diagnostic also addresses if the device is not programmed. The device monitors its ability to read and write to the memory. It also monitors a timing function. No external circuits are involved. The Diagnostic Trouble Code (DTC) will be set when the device detects an internal malfunction or incomplete programming.

OBDII Code P16F1 GMC - Control Module Serial Peripheral Interface Signal Message Counter Incorrect - AutoCodes.com — P16F1 GMC Code - Control Module Serial Peripheral Interface Signal Message Counter Incorrect

What does this mean?

What are the Possible Causes of the DTC P16F1 GMC?

Low battery voltage
Reprogram Powertrain Control Module (PCM)
Faulty Powertrain Control Module
Powertrain Control Module harness is open or shorted
Powertrain Control Module circuit poor electrical connection

How to Fix the DTC P16F1 GMC?

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 P16F1 GMC 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.

Need more information about the P16F1 GMC code?

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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 P16F1 GMC Code

1. What are the common symptoms of OBDII code P16F1 GMC?

- The common symptoms of code P16F1 may include issues with engine performance, rough idling, stalling, and the illumination of the Check Engine light.

2. What does the OBDII code P16F1 GMC indicate?

- The code P16F1 indicates that the Control Module Serial Peripheral Interface Signal Message Counter is incorrect.

3. What are the possible causes of OBDII code P16F1 GMC?

- Possible causes of code P16F1 include a faulty control module, wiring issues, poor connections, or software glitches in the vehicle's system.

4. How can I diagnose OBDII code P16F1 GMC?

- Diagnosing code P16F1 typically involves using a professional OBDII scanner to retrieve the specific fault codes and then conducting further testing to pinpoint the exact cause.

5. Is it safe to continue driving with OBDII code P16F1 GMC?

- It is not recommended to continue driving with a persistent P16F1 code, as it can lead to potential engine performance issues and further damage if left unresolved.

6. How can I repair OBDII code P16F1 GMC?

- Repairing code P16F1 may involve checking and repairing any wiring issues, ensuring proper connections, resetting the control module, or replacing the faulty components as needed.

7. Can I reset OBDII code P16F1 GMC by disconnecting the battery?

- While disconnecting the battery may clear the code temporarily, it is not a recommended method for resolving the underlying issue causing code P16F1.

8. How much does it cost to fix OBDII code P16F1 GMC at a repair shop?

- The cost of fixing code P16F1 can vary depending on the specific cause of the issue, but it may range from a few hundred to a thousand dollars at a repair shop.

9. Are there any common DIY solutions for OBDII code P16F1 GMC?

- Common DIY solutions for code P16F1 include checking and cleaning the connections, inspecting the wiring for damages, and resetting the control module to see if the code clears.

10. How often does OBDII code P16F1 GMC occur in GMC vehicles?

- OBDII code P16F1 may occur sporadically in GMC vehicles, especially in newer models with advanced control modules and communication systems.