AutoCodes – Pontiac – P1680 Pontiac

P1680 Pontiac Code - Control Module Not Programmed

Quick Answer

This diagnostic applies to internal microprocessor integrity conditions within the Engine Control Module (ECM). Common causes include Engine Control Module (ECM) programming error, Wrong Engine Control Module, Faulty Engine 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: P1680 Pontiac indicates Control Module Not Programmed.
Common causes: Common causes include Engine Control Module (ECM) programming error, Wrong Engine Control Module, Faulty Engine 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 2,672

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 Aug 06, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P1680 Pontiac Description

This diagnostic applies to internal microprocessor integrity conditions within the Engine Control Module (ECM). This Diagnostic Trouble Code (DTC) also addresses if the ECM is not programmed.

OBDII Code P1680 Pontiac - Control Module Not Programmed - AutoCodes.com — P1680 Pontiac Code - Control Module Not Programmed

What does this mean?

What are the Possible Causes of the DTC P1680 Pontiac?

Engine Control Module (ECM) programming error
Wrong Engine Control Module
Faulty Engine Control Module

How to Fix the DTC P1680 Pontiac?

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 does this mean?

Code Tech Notes

This code means that there may be an internal problem with the Engine Control Module (ECM). Start by checking battery charge and connections. Try clearing the code and re test.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1680 Pontiac 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 P1680 Pontiac code?

Need more information on how to fix the P1680 Pontiac code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1680 Pontiac 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 P1680 Pontiac Code

1. What does the OBDII code P1680 mean for a Pontiac?

P1680 indicates that the control module has not been properly programmed or lacks the necessary calibration data to function correctly.

2. What are the common symptoms of the P1680 code in a Pontiac?

Symptoms may include the engine not starting, poor performance, the check engine light illuminated, or issues with various vehicle systems controlled by the module.

3. What causes the P1680 code to appear in a Pontiac?

Common causes include a new or replacement control module that hasn't been programmed, corrupted software, or a failed attempt to reprogram the module.

4. Can driving with a P1680 code damage my Pontiac?

Yes, depending on the severity, the vehicle may not operate properly, and continued driving could result in further mechanical or electrical issues.

5. How is the P1680 code diagnosed in a Pontiac?

A technician will use a diagnostic scanner to check for additional codes, inspect the moduleâ€™s programming status, and verify the communication between the control module and other systems.

6. Do I need to replace the control module to fix the P1680 code?

Not necessarily. In many cases, reprogramming or updating the existing module can resolve the issue without requiring replacement.

7. How much does it cost to fix the P1680 code on a Pontiac?

Costs vary depending on the repair, but reprogramming the control module typically costs $100â€“$300 at most repair shops.

8. Can I fix the P1680 code myself on my Pontiac?

If you have access to a professional-grade scanner and reprogramming tools, you may be able to resolve it yourself. However, most owners will need assistance from a dealership or qualified mechanic.

9. Is the P1680 code specific to Pontiacs, or does it apply to other vehicles?

While P1680 is used across various manufacturers, the specific meaning and repair process can differ. For Pontiacs, it typically refers to an unprogrammed control module.

10. What should I do if the P1680 code reappears after reprogramming the module?

If the code returns, it may indicate a deeper issue, such as a faulty control module, wiring problems, or an incomplete programming process. Further diagnosis is needed.