AutoCodes – Volkswagen – P1659 Volkswagen

P1659 Volkswagen Code - Engine Coolant Blower Motor Speed 1 Short To Positive

Quick Answer

The Engine Control Module (ECM) monitors the Engine Coolant Blower Motor. Common causes include Faulty Engine Coolant Blower Motor, Engine Coolant Blower Motor harness is open or shorted, Engine Coolant Blower Motor 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: P1659 Volkswagen indicates Engine Coolant Blower Motor Speed 1 Short To Positive.
Common causes: Common causes include Faulty Engine Coolant Blower Motor, Engine Coolant Blower Motor harness is open or shorted, Engine Coolant Blower Motor 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 3,266

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 10, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1659 Volkswagen Description

The Engine Control Module (ECM) monitors the Engine Coolant Blower Motor. The ECM sets the Diagnostic Trouble Code (DTC) when the Engine Coolant Blower Motor is not to factory specifications.

OBDII Code P1659 Volkswagen - Engine Coolant Blower Motor Speed 1 Short To Positive - AutoCodes.com — P1659 Volkswagen Code - Engine Coolant Blower Motor Speed 1 Short To Positive

What does this mean?

What are the Possible Causes of the DTC P1659 Volkswagen?

Faulty Engine Coolant Blower Motor
Engine Coolant Blower Motor harness is open or shorted
Engine Coolant Blower Motor circuit poor electrical connection

How to Fix the DTC P1659 Volkswagen?

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 P1659 Volkswagen 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 P1659 Volkswagen code?

Need more information on how to fix the P1659 Volkswagen code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1659 Volkswagen 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 P1659 Volkswagen Code

What does the OBDII code P1659 mean for a Volkswagen?

P1659 indicates an issue with the Engine Coolant Blower Motor Speed 1 circuit, specifically a short to positive.

What are the common symptoms of the P1659 code in a Volkswagen?

Symptoms may include engine overheating, the cooling fan running continuously or not working, and potential warning lights on the dashboard.

What causes the P1659 code in a Volkswagen?

The code is usually caused by a short circuit in the blower motor wiring, a faulty cooling fan motor, or a damaged control module.

Can driving with the P1659 code damage my engine?

Yes, driving with this code can lead to engine overheating, which may cause severe engine damage if not addressed promptly.

How can I diagnose the P1659 code in my Volkswagen?

Start by inspecting the wiring and connectors for damage or corrosion, then test the cooling fan motor and associated circuits for shorts or faults.

What tools are needed to fix the P1659 code in a Volkswagen?

You may need a multimeter, an OBDII scanner, and basic tools to inspect wiring and replace components such as the blower motor or control module.

How do I fix the P1659 code in a Volkswagen?

Repair or replace any damaged wiring, connectors, or the cooling fan motor. If necessary, replace the control module managing the fan.

Can a blown fuse cause the P1659 code in a Volkswagen?

While uncommon, a blown fuse in the cooling fan circuit could contribute to the issue. Check the fuse box for faults.

Does the P1659 code affect fuel efficiency?

Not directly, but an overheating engine can lead to reduced performance and efficiency over time.

Should I clear the P1659 code without repairs?

Clearing the code without addressing the root cause will likely lead to its return and potential engine damage. Always fix the underlying issue first.