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P1672 Volkswagen Code - Engine Coolant Blower Motor Speed 1 Open Circuit / Short To Ground

Quick Answer

The P1672 diagnostic trouble code for Volkswagen vehicles indicates an issue with the Engine Coolant Blower Motor Speed 1 circuit, specifically an open circuit or a short to ground. Common causes include Faulty Engine Coolant Blower Motor, Damaged wiring or connectors in the circuit, Blown fuse. 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
P1672 Volkswagen indicates Engine Coolant Blower Motor Speed 1 Open Circuit / Short To Ground.
Common causes
Common causes include Faulty Engine Coolant Blower Motor, Damaged wiring or connectors in the circuit, Blown fuse.
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 07, 2024
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Code P1672 Volkswagen Description

The P1672 diagnostic trouble code for Volkswagen vehicles indicates an issue with the Engine Coolant Blower Motor Speed 1 circuit, specifically an open circuit or a short to ground. The Engine Coolant Blower Motor is responsible for maintaining the optimal temperature of the engine by regulating the flow of coolant through the radiator. When this circuit malfunctions, it can lead to overheating of the engine, which can cause severe damage if not addressed promptly.

OBDII Code P1672 Volkswagen - Engine Coolant Blower Motor Speed 1 Open Circuit / Short To Ground
P1672 Volkswagen Code - Engine Coolant Blower Motor Speed 1 Open Circuit / Short To Ground

Common Causes of P1672 Volkswagen

  1. Faulty Engine Coolant Blower Motor
  2. Damaged wiring or connectors in the circuit
  3. Blown fuse
  4. Malfunctioning cooling fan relay
  5. Electrical issues in the cooling system

Symptoms of P1672 Volkswagen

  1. Engine overheating
  2. Loss of engine power
  3. Illuminated check engine light
  4. Cooling fan not working
  5. Poor air conditioning performance

How to Fix P1672 Volkswagen

  1. Begin by checking the Engine Coolant Blower Motor for proper operation. Test the motor by applying power directly to it to determine if it is functioning correctly.
  2. Inspect the wiring and connectors in the circuit for any damage or corrosion. Repair or replace any damaged components.
  3. Check the cooling fan relay for proper operation. Replace the relay if it is malfunctioning.
  4. Test the fuse related to the Engine Coolant Blower Motor circuit. Replace a blown fuse with the correct rating.
  5. Clear the diagnostic trouble codes from the vehicle's ECU using a scan tool after completing the repairs.

Cost to Fix P1672 Volkswagen

The typical repair costs for addressing the P1672 code on a Volkswagen vehicle can range from $150 to $500, depending on the specific cause of the issue and the extent of the repairs needed. Parts such as a new Engine Coolant Blower Motor, wiring harness, relay, or fuse may be required, contributing to the overall cost. Labor rates at auto repair shops can vary, so it is advisable to check with local shops for a more precise estimate.

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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 P1672 Volkswagen Code

1. What are the common symptoms of OBDII code P1672 in a Volkswagen related to the Engine Coolant Blower Motor Speed 1 Open Circuit/Short to Ground?

Symptoms may include the engine overheating, poor heater performance, and the cooling fan not working properly.

2. What are some possible causes of OBDII code P1672 in a Volkswagen?

Possible causes include a faulty blower motor, damaged wiring or connectors, a blown fuse, or a problem with the blower motor control module.

3. How can I diagnose the issue causing OBDII code P1672 in my Volkswagen?

A thorough inspection of the blower motor and its wiring, as well as checking the fuses and relays related to the cooling system, can help pinpoint the issue.

4. Can I continue driving my Volkswagen with OBDII code P1672 present?

It is not recommended to drive your vehicle with this code active, as it can lead to serious engine damage due to overheating.

5. What are the repair options for resolving OBDII code P1672 in a Volkswagen?

Repair options include replacing the faulty blower motor, repairing damaged wiring, checking and replacing fuses or relays, and ensuring proper connection of components.

6. How much does it typically cost to repair OBDII code P1672 in a Volkswagen?

The cost of repair can vary depending on the specific issue causing the code, but it may range from a few hundred to a few thousand dollars, including parts and labor.

7. Can I reset OBDII code P1672 in my Volkswagen using an OBDII scanner?

Yes, an OBDII scanner can be used to clear the code, but it is important to address the underlying issue causing the code before doing so.

8. Are there any preventative maintenance tips to avoid triggering OBDII code P1672 in my Volkswagen?

Regularly inspecting the cooling system components, such as the blower motor and related wiring, and addressing any issues promptly can help prevent this code from appearing.

9. How urgent is it to address OBDII code P1672 in my Volkswagen?

It is important to address this code as soon as possible to prevent engine overheating and potential damage. Avoid driving the vehicle until the issue is resolved.

10. Can a DIY enthusiast with moderate automotive knowledge repair OBDII code P1672 in a Volkswagen?

While some aspects of the repair may be possible for a DIY enthusiast, it is recommended to seek professional help, especially when dealing with electrical components like the blower motor.

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