Skip the auto shop - Our mechanics make house calls

Q: Check Engine light on with code P2181

asked by on

The Check Engine light is on with code P2181.

A: Having the OBD code for your Volkswagen Eos...

Having the OBD code for your Volkswagen Eos is a great start to narrowing down a proper diagnosis on your vehicle. The code, P2181, stands for Cooling System Performance. This code is meant to give a certified mechanic a starting point to begin their investigation for car problems. Typically, I have seen this code appear when the vehicle is either overheating or when it is not achieving proper operating temperature. The investigation then naturally leads to the two most common reasons for this code in other Volkswagens: a failing thermostat and/or a failing water pump. While having the OBD is a great help for diagnosis, I would still recommend having a mechanic inspect your vehicle’s Check Engine Light to come up with the necessary repairs.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Odd whining sound, hoping an experienced mechanic might Identify

Good job on the recording! What your experiencing is a problem in the wheel bearing. You'll notice the sound is associated with the speed of the car and not the speed of the engine, which usually points to drive line...

Q: Sqealing noise EPC light

Hello. It sounds like it may have a failing alternator. If the alternator is failing or if the belt is loose due to a bad belt tensioner then this will occur. I would check and see if the belt is...

Q: Car not driving straight.

If your wheel is not straight you could have a broken control arm or something else may be broken in the suspension. I would have the car checked out by a technician who can better determine the cause.

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...