AutoCodes – GMC – P16DC GMC

P16DC GMC Code - Battery Module Monitor Timer Performance

Quick Answer

The vehicle control module monitors the system voltage, current, and internal temperature to verify they are within the normal operating range. Common causes include Faulty Battery Monitor Module, Battery Monitor Module harness is open or shorted, Battery Monitor 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: P16DC GMC indicates Battery Module Monitor Timer Performance.
Common causes: Common causes include Faulty Battery Monitor Module, Battery Monitor Module harness is open or shorted, Battery Monitor 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.

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Code Popularity 6,827

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 Jan 12, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P16DC GMC Description

The vehicle control module monitors the system voltage, current, and internal temperature to verify they are within the normal operating range. It also monitors ROM or RAM memory faults, and performs other internal diagnostics.

OBDII Code P16DC GMC - Battery Module Monitor Timer Performance - AutoCodes.com — P16DC GMC Code - Battery Module Monitor Timer Performance

What does this mean?

What are the Possible Causes of the DTC P16DC GMC?

Faulty Battery Monitor Module
Battery Monitor Module harness is open or shorted
Battery Monitor Module circuit poor electrical connection

How to Fix the DTC P16DC 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 P16DC 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.

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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 P16DC GMC Code

1. What are the common symptoms of OBDII code P16DC GMC (Battery Module Monitor Timer Performance)?

The common symptoms of this code may include reduced battery performance, difficulty starting the vehicle, and potential issues with the electrical system.

2. What are the possible causes of OBDII code P16DC GMC?

Possible causes of this code include a faulty battery module, issues with the battery management system, a weak or failing battery, or a problem with the charging system.

3. How does OBDII code P16DC GMC affect vehicle performance?

This code can impact the overall performance of the vehicle by causing issues with the battery's monitoring and management system, leading to potential starting problems and electrical issues.

4. How can I diagnose OBDII code P16DC GMC?

Diagnosing this code typically involves using a diagnostic scanner to retrieve the code, checking the battery module for any faults, and inspecting the battery and charging system for any issues.

5. Can I drive my vehicle with OBDII code P16DC GMC?

It is not recommended to drive your vehicle with this code present, as it can lead to potential starting problems and electrical issues that may affect the overall safety and reliability of the vehicle.

6. How can I clear OBDII code P16DC GMC from my vehicle's system?

Clearing this code can be done using a diagnostic scanner or by disconnecting the vehicle's battery for a few minutes. However, it is important to address the underlying issue causing the code before clearing it.

7. What are some repair tips for fixing OBDII code P16DC GMC?

Repair tips for this code may include replacing the faulty battery module, testing and replacing the battery if necessary, checking the charging system for any issues, and ensuring proper connection of all electrical components.

8. Is OBDII code P16DC GMC a serious issue?

While this code may not cause immediate breakdown or safety concerns, it is still important to address it promptly to prevent any potential starting problems or electrical issues that could affect the vehicle's performance.

9. Can a DIY enthusiast fix OBDII code P16DC GMC?

Depending on your experience and tools available, some DIY enthusiasts may be able to diagnose and address this code by following repair guides and procedures. However, professional assistance may be needed for more complex issues.

10. How much does it cost to repair OBDII code P16DC GMC?

The cost of repairing this code can vary depending on the underlying issue, parts needed for replacement, and labor costs. It is advisable to consult a mechanic or dealership for an accurate estimate.