AutoCodes – Audi – P1660 Audi

P1660 Audi Code - Engine Coolant Blower Motor Speed 1 Short To Ground

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: P1660 Audi indicates Engine Coolant Blower Motor Speed 1 Short To Ground.
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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 3,760

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
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P1660 Audi 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 P1660 Audi - Engine Coolant Blower Motor Speed 1 Short To Ground - AutoCodes.com — P1660 Audi Code - Engine Coolant Blower Motor Speed 1 Short To Ground

What does this mean?

What are the Possible Causes of the DTC P1660 Audi?

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 P1660 Audi?

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 P1660 Audi 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 P1660 Audi code?

Need more information on how to fix the P1660 Audi code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1660 Audi 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 P1660 Audi Code

What does the OBDII code P1660 mean for an Audi?

P1660 indicates an issue with the engine coolant blower motor, specifically a short to ground in Speed 1 control.

What are the common symptoms of code P1660 in an Audi?

Symptoms may include overheating, reduced cooling efficiency, malfunctioning blower motor, or an illuminated check engine light.

What causes the P1660 code to appear in an Audi?

The code is usually triggered by a shorted wire, damaged blower motor, defective relay, or electrical corrosion in the coolant blower motor circuit.

Can driving with the P1660 code cause damage to my Audi?

Yes, if the cooling system is compromised, it can lead to engine overheating and potential long-term damage.

How do I diagnose the P1660 code on my Audi?

Check the wiring and connectors in the blower motor circuit for damage or corrosion, test the blower motor functionality, and inspect relay operation.

How can I fix the P1660 code in my Audi?

Repair or replace damaged wiring, connectors, or the blower motor itself. If necessary, replace a faulty relay or control module.

Is the P1660 code specific to certain Audi models?

No, this code can appear in various Audi models equipped with OBDII systems and an engine coolant blower motor.

Will clearing the P1660 code solve the problem permanently?

Clearing the code will reset the system temporarily, but the underlying issue must be fixed to prevent the code from reappearing.

How much does it typically cost to repair the P1660 code on an Audi?

Repair costs vary depending on the issue but may range from $100-$500 for parts and labor, especially for wiring or blower motor replacement.

Can a faulty coolant blower motor cause other issues in my Audi?

Yes, a malfunctioning blower motor can affect overall cooling system performance and lead to engine overheating or reduced air conditioning efficiency.