AutoCodes – Pontiac – P0606 Pontiac

P0606 Pontiac Code - Engine Control Module Internal Performance Error

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: P0606 Pontiac indicates Engine Control Module Internal Performance Error.
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 16,473

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 Mar 29, 2024

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0606 Pontiac 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 P0606 Pontiac - Engine Control Module Internal Performance Error - AutoCodes.com — P0606 Pontiac Code - Engine Control Module Internal Performance Error

What does this mean?

What are the Possible Causes of the DTC P0606 Pontiac?

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 P0606 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

Check the Powertrain Control Module (PCM) fuse, if the fuse is OK, then try erasing the code first and if the code comes back you may have to reprogram or replace the PCM.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0606 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.

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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 P0606 Pontiac Code

1. What are the common symptoms of OBDII code P0606 in a Pontiac?

- Common symptoms include the Check Engine light illuminating, engine stalling or misfiring, poor fuel efficiency, and difficulty starting the vehicle.

2. What causes the OBDII code P0606 in a Pontiac?

- The P0606 code is typically triggered by an internal performance error within the Engine Control Module (ECM), often caused by a faulty ECM, wiring issues, or software glitches.

3. How serious is the OBDII code P0606 in a Pontiac?

- While the vehicle may still be operable with the P0606 code, it is important to address the issue promptly to prevent further damage to the ECM or other engine components.

4. Can I still drive my Pontiac with the P0606 code present?

- It is generally not recommended to drive the vehicle extensively with the P0606 code present, as it can lead to performance issues and potential further damage to the engine.

5. How can I diagnose the P0606 code in my Pontiac?

- Diagnosing the P0606 code typically involves using an OBDII scanner to retrieve the code, inspecting the ECM and related wiring for any visible damage, and testing the ECM for proper functionality.

6. What are some repair tips for fixing the P0606 code in a Pontiac?

- Repairing the P0606 code may involve replacing the ECM, repairing any damaged wiring, updating the ECM software, or resetting the ECM to clear the error code.

7. Can I reset the P0606 code in my Pontiac without fixing the underlying issue?

- While you can clear the error code temporarily by resetting the ECM, it is important to address the root cause of the P0606 code to prevent it from reoccurring.

8. Will disconnecting the battery reset the P0606 code in my Pontiac?

- Disconnecting the battery may reset the ECM and clear the error code temporarily, but it is still recommended to diagnose and repair the underlying issue triggering the P0606 code.

9. How much does it typically cost to repair the P0606 code in a Pontiac?

- The cost of repairing the P0606 code can vary depending on the specific cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

10. Can a DIY enthusiast fix the P0606 code in a Pontiac themselves?

- While some DIY enthusiasts may be able to address the P0606 code by replacing the ECM or checking wiring connections, it is recommended to seek professional help for accurate diagnosis and repair.