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Engine-Codes – Audi – P1659 Audi

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

Quick Answer

The P1659 Audi diagnostic trouble code indicates that there is a short circuit to positive in the Engine Coolant Blower Motor Speed 1 circuit. Common causes include Short circuit in the wiring of the engine coolant blower motor speed 1 circuit, Faulty engine coolant blower motor, Malfunctioning blower motor relay. 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 Audi indicates Engine Coolant Blower Motor Speed 1 Short To Positive.
Common causes
Common causes include Short circuit in the wiring of the engine coolant blower motor speed 1 circuit, Faulty engine coolant blower motor, Malfunctioning blower motor relay.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P1659 Audi Description

The P1659 Audi diagnostic trouble code indicates that there is a short circuit to positive in the Engine Coolant Blower Motor Speed 1 circuit. The engine coolant blower motor is responsible for helping to regulate the temperature of the engine by cooling the coolant that circulates through the engine. When this code is triggered, it means that there is an issue with the blower motor's speed 1 circuit, which can potentially lead to overheating of the engine if not addressed promptly.

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

Common Causes of P1659 Audi

  1. Short circuit in the wiring of the engine coolant blower motor speed 1 circuit
  2. Faulty engine coolant blower motor
  3. Malfunctioning blower motor relay
  4. Issue with the engine control module (ECM)
  5. Corrosion or damage to electrical connections related to the blower motor

Symptoms of P1659 Audi

  1. Engine overheating
  2. Engine running hotter than usual
  3. Check Engine Light illuminated
  4. Reduced engine performance
  5. Cooling fan not working

How to Fix P1659 Audi

  1. Begin by diagnosing the issue using a scan tool to confirm the P1659 code.
  2. Inspect the wiring of the engine coolant blower motor speed 1 circuit for any signs of damage or a short circuit.
  3. Test the engine coolant blower motor to ensure it is functioning correctly.
  4. Check the blower motor relay for proper operation and replace if necessary.
  5. If no issues are found with the wiring, blower motor, or relay, inspect the engine control module (ECM) for any faults and replace if needed.

Cost to Fix P1659 Audi

The typical repair costs for addressing a P1659 Audi code can vary depending on the specific cause of the issue. In general, replacing a faulty blower motor relay or repairing wiring issues may cost between $150 to $300. If the engine coolant blower motor needs to be replaced, the cost can range from $200 to $500. Repairing or replacing the engine control module (ECM) can be more expensive, with costs potentially exceeding $1000.

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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 P1659 Audi Code

What does the OBDII code P1659 mean for an Audi?

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

What are the common symptoms of code P1659 in an Audi?

Symptoms may include overheating, reduced engine cooling efficiency, and possible activation of a check engine light.

What causes the P1659 code to appear?

The most common causes are a short circuit in the blower motor wiring, a faulty blower motor, or a damaged relay.

Can I drive my Audi with the P1659 code?

It’s not recommended to drive for extended periods, as overheating can damage the engine and other components.

How do I diagnose the P1659 code in an Audi?

Check the wiring and connectors for damage, inspect the blower motor for faults, and test the relay for proper operation.

What tools are needed to fix the P1659 code?

You’ll need a multimeter to test electrical components, a wiring diagram for the coolant blower motor circuit, and basic hand tools.

How much does it cost to repair the P1659 code?

Repairs can cost between $50 and $500 depending on whether the issue is wiring-related or if the blower motor needs replacement.

Can the P1659 code be fixed at home?

Yes, if you have basic electrical troubleshooting skills and the necessary tools, you can repair the wiring or replace the blower motor.

How can I prevent the P1659 code from appearing again?

Regularly inspect and maintain the wiring and connectors in the coolant blower motor circuit to avoid damage or shorts.

Does the P1659 code affect engine performance?

While it doesn’t directly affect performance, overheating caused by the blower motor issue can lead to engine damage over time.

Discuss the causes and fixes for P1659 Audi OBDII Code

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