AutoCodes – Saab – P1606 Saab

P1606 Saab Code - Engine Control Module Defective

Quick Answer

P1606 Saab indicates Engine Control Module Defective. 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: P1606 Saab indicates Engine Control Module Defective.
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 2,746

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

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Table of contents Created and updated by William Orellana on May 26, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1606 Saab Description

OBDII Code P1606 Saab - Engine Control Module Defective - AutoCodes.com — P1606 Saab Code - Engine Control Module Defective

What does this mean?

What are the Possible Causes of the DTC P1606 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 P1606 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 P1606 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 P1606 Saab Code

1. What are common symptoms of OBDII code P1606 in a Saab vehicle?

- Common symptoms include engine stalling or rough idling, reduced engine performance, and the illumination of the Check Engine light.

2. What does OBDII code P1606 in a Saab indicate?

- OBDII code P1606 indicates that the Engine Control Module (ECM) is defective or experiencing a malfunction.

3. What are the possible causes of OBDII code P1606 in a Saab?

- The possible causes of OBDII code P1606 in a Saab include a faulty ECM, wiring issues, software corruption, or a poor connection between the ECM and other components.

4. How can I diagnose OBDII code P1606 in my Saab?

- Diagnosing OBDII code P1606 typically involves using an OBDII scanner to retrieve the code, checking the ECM connections, inspecting the wiring harness, and performing a thorough visual inspection for any visible issues.

5. What should I do if my Saab displays OBDII code P1606?

- If your Saab displays OBDII code P1606, it is recommended to have the vehicle diagnosed by a qualified mechanic to pinpoint the exact cause of the issue and determine the appropriate repair steps.

6. Can I still drive my Saab with OBDII code P1606?

- It is not recommended to drive your Saab with OBDII code P1606, as the issue may lead to engine performance problems or potential safety hazards. It is best to address the problem promptly.

7. Is it possible to repair OBDII code P1606 in a Saab on my own?

- While some DIY enthusiasts may attempt to troubleshoot and repair OBDII code P1606, it is generally advisable to seek professional help due to the complexity of diagnosing and fixing ECM-related issues.

8. How much does it typically cost to repair OBDII code P1606 in a Saab?

- The cost of repairing OBDII code P1606 in a Saab can vary depending on the exact cause of the issue, the labor rates in your area, and whether new parts or repairs are needed. It is recommended to obtain quotes from multiple mechanics for an accurate estimate.

9. Can a defective ECM cause other OBDII codes to appear in a Saab?

- Yes, a defective ECM in a Saab can potentially trigger other OBDII codes related to various engine or emissions system malfunctions, so it is crucial to address the underlying ECM issue promptly.

10. How can I prevent OBDII code P1606 from reoccurring in my Saab?

- To prevent OBDII code P1606 from reoccurring, it is essential to address any underlying issues promptly, perform regular vehicle maintenance, and avoid driving habits that could put strain on the engine control system.