AutoCodes – Saab – P0602 Saab

P0602 Saab Code - Control Module Not Programmed

Quick Answer

This Diagnostic Trouble Code (DTC) applies to internal microprocessor integrity conditions within the Engine Control Module (ECM). Common causes include Faulty Engine Control Module (ECM), Engine Control Module (ECM) harness is open or shorted, Engine Control Module (ECM) 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: P0602 Saab indicates Control Module Not Programmed.
Common causes: Common causes include Faulty Engine Control Module (ECM), Engine Control Module (ECM) harness is open or shorted, Engine Control Module (ECM) 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 1,505

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 May 01, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0602 Saab Description

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

OBDII Code P0602 Saab - Control Module Not Programmed - AutoCodes.com — P0602 Saab Code - Control Module Not Programmed

What does this mean?

What are the Possible Causes of the DTC P0602 Saab?

Faulty Engine Control Module (ECM)
Engine Control Module (ECM) harness is open or shorted
Engine Control Module (ECM) circuit poor electrical connection

How to Fix the DTC P0602 Saab?

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 P0602 Saab 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 P0602 Saab Code

1. What are the common symptoms of OBDII code P0602 in a Saab indicating a Control Module Not Programmed issue?

- Common symptoms include engine stalling, misfiring, loss of power, and the illumination of the Check Engine Light.

2. What can cause the OBDII code P0602 in a Saab related to a Control Module Not Programmed problem?

- The code P0602 can be triggered by a faulty engine control module (ECM), a software issue within the ECM, or a poor connection between the ECM and other components.

3. How serious is the OBDII code P0602 in a Saab?

- The code P0602 should be addressed promptly as it can lead to drivability issues and potential damage to the vehicle's engine if left unresolved.

4. Can a DIY enthusiast repair the OBDII code P0602 in a Saab?

- While some basic troubleshooting steps can be taken, diagnosing and repairing the underlying cause of the P0602 code often requires specialized diagnostic equipment and expertise, making it advisable to seek professional help.

5. What are some repair tips for addressing the OBDII code P0602 in a Saab?

- Repair tips may include checking the ECM connections for any looseness or corrosion, ensuring proper power supply to the ECM, and performing a software update or reprogramming if necessary.

6. How can I prevent the OBDII code P0602 from occurring in my Saab in the future?

- Regular maintenance, including keeping the ECM connections clean and secure, following recommended service intervals, and addressing any warning signs promptly, can help prevent the recurrence of the P0602 code.

7. Is it safe to continue driving my Saab with the OBDII code P0602 present?

- It is not recommended to drive the vehicle with the P0602 code active, as it can lead to potential performance issues and further damage to the engine.

8. How much does it typically cost to repair the OBDII code P0602 in a Saab at a dealership or repair shop?

- The cost of repairing the P0602 code can vary depending on the underlying cause, but it may involve diagnostic fees, parts replacement, and labor costs, which can range from a few hundred to over a thousand dollars.

9. Can resetting the OBDII code P0602 in a Saab temporarily resolve the issue?

- Resetting the code may temporarily turn off the Check Engine Light, but it will not fix the underlying problem causing the P0602 code. It is essential to diagnose and address the root cause to prevent further issues.

10. Will the OBDII code P0602 in a Saab cause the vehicle to fail an emissions test?

- Yes, the presence of the P0602 code can cause the vehicle to fail an emissions test, as it indicates a problem with the engine control module that can impact emissions control systems.