Question about 2004 Volkswagen New Beetle Convertible

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Were is the cooling Temp Sensor located on a 2004 vw beetle and is there anything special about replacing it. I have a P2181 code and that is the problem.

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I have the same issue on my 2004 New Beelte... the check engine light has come on and the codes reflect a thermostat issue and o2 sensor... did you replace the thermostat? and if so... how much did it set you back?

Posted on Dec 18, 2009

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That code is for cooling system performance. which probably means you need to replace the thermostat. you can get free repair guides on autozone.com for this vehicle that will tell you where the sensor is

Posted on Nov 17, 2009

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1 Answer

Engine code 2181 enhanced dtc for 2004 vw beetle 2.0 turbo


it is problem with cooling,check if two fans are running with airco on,
if yes,check codes again,look at freeze frame data,
look for temp and time indication,with engine temp and rpm,
if temp is not high,check fan motors resistance,
one broken with ohm too high?

May 13, 2014 | 2004 Volkswagen Beetle

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My car is running codes P0011 and P2181. Can you tell me what that is please. 2004 vw jetta gl


P0011 - Camshaft positioning sensor
P2181 - Engine cooling temperature sensor.
If you have a repair manual (chilton/haynes/etc) these should be fairly simple fixes.
Camshaft positioning sensor for my car was $35 and took about 15 minutes to change.

2carpros.com suggested the P2181 is also fairly easy to replace
http://www.2carpros.com/questions/volkswagen-jetta-2004-volkswagen-jetta-code-p2181-engine-cooling-performance

Jul 24, 2011 | 2004 Volkswagen Jetta

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I have a 2005 vw jetta gls 2.0L 4cyl throwing up codes p2181 p2181 and p0068 what are these


p2181 = cooling system performance

p0068 = Throttle position sensor inconsistent with mass air flow sensor.

Feb 25, 2011 | Volkswagen Jetta Cars & Trucks

1 Answer

Cooling sistem code#p2181 volkswagen passat the antifreeze is leaking


Replace the ( CTS ) Coolant temperature Sensor. VW oe only...Been updated.

Check the bottle is full. Do not use coolant sealers in this engine! Fix the leak.

Jan 11, 2011 | 2004 Volkswagen Passat

2 Answers

How do you translate what the hand held computer diagnoses to the issue. Hand held said cooling system P2181?


it helps to tell what engine you have, there are 8 engines used in that model., but its a coolant sensor issue. I would pay a shop thats familiar with VW to check it out and recommend repairs.

Dec 03, 2010 | 2004 Volkswagen Jetta

3 Answers

I have a 2004 VW Beetle. I keep getting the engine diagnostic code P2181. This code is not in my manual. What is it?


Trouble Code: P2181

Cooling System Performance Malfunction
Possible Causes:


ECT sensor has failed ECT Sensor (on Radiator) has failed ECT sensor signal circuit is open (inspect wiring & connector) ECT sensor signal circuit is shorted Cooling system malfunction, or the thermostat is stuck Engine not operating at normal operating temperature EOT sensor is damaged or it has failed

Sep 28, 2009 | 2004 Volkswagen Beetle

1 Answer

2181 code ecl on radiator fans dead


CODE P2181 COOLING SYSTEM PERFORMANCE MALFUNCTION CONDITIONS - ECT SENSOR HAS FAILED. 2.0L ENGINE ECT LOCATION IS ON THE UPPER RADIATOR HOSE CONNECTION AT THE REAR OF THE CYLINDER HEAD. 2.5L ENGINE ECT IS ON THE UPPER RADIATOR HOSE CONNECTION ON THE CYLINDER HEAD ALSO.CHECK COOLING FAN FUSE AND RELAYS

Jul 26, 2009 | 2003 Volkswagen New Beetle Convertible

1 Answer

Hi, 2003 Beetle / reset - clear faults


Im actually going through the process of fixing this problem with my car. the P2181 is a performance cooling error, usually brought up by thermostat, radiator issues, or ECT sensor. You should narrow it down and check both radiator and thermostat to prevent later issues. If all is well go to your local autozone, pep boys, checkers..etc. and have them erase the DTC error. If you are looking for a more long term solution you can purchase many different software such as VAG-COM or any other software used to run test on vehicals. Be sure you know what you are doing though because messing with your cars computer can have long term effects that can be pricey.

Apr 28, 2009 | 2003 Volkswagen New Beetle Convertible

1 Answer

I have a 2003 vw beetle 2.0 and I went to Advance when the check engine light came on. The diagnostic tester said its a P2181 which I found out was a coolant temperature sensor warning, so I paid some...


The ECT sensor is right below the air compartment on the drivers side of the engine compartment. it is sticking up and should have some green on it. I don't have a picture right this moment but i will post one tomorrow. Also the P2181 error code is a Performance Malfunction in Cooling System. It can all be the radiator and or thermostat.

Apr 08, 2009 | 2003 Volkswagen Beetle TDI

1 Answer

CEL is ON. OBD code P2181. I already replaced the ECT 3 mo ago due to OBD code P0118.


P2181 is a overheating engine.  
Can be:
Bad fan themoswitch, temp sensor themostat water pump impeller fan motor or fuse on battery
check to see if fans work by turning on Air Conditioner (fans should run with A/C on). Turn A/C off, warm engine, check to see if fans come on, if they do NOT it may be thermo switch on radiator on lower left side, has 3 wire plug, takes 1-1/8" wrench/socket to remove.  This thermo switch controls fans when temp reaches 195F, if fans do not come on at engine temp 190-195F try  replace switch VW part number: 1J0-959--481-A  You can verify if the switch is bad by shorting wire 1 and 2 (fans should come on when jumpered).

Oct 15, 2008 | 2002 Volkswagen Jetta TDI

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