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VW Passat code P2181 what is it? - 2004 Volkswagen Passat

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: P2181 code pulled. Driver side A/C fan not

The fan assy does come out of there. It's definitely a DIY job. I believe it's just 3/4 screws and the wiring harness. I had to replace a fan about a year ago and it was pretty simple, aside from there not being enough room in there for my hands. I believe the screws are T25 or T20 torx screws. Failure of a fan is pretty common on the MKIV VW's...

Posted on Jul 16, 2009

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SOURCE: getting ETC p2181 code for vw gti 1.8 t 02

punch one code at a time into google search check related symptoms

Posted on Sep 13, 2009

MNfisherman
  • 11896 Answers

SOURCE: I have a 2004 VW Beetle. I keep getting the engine

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

Posted on Sep 28, 2009

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SOURCE: I have a trouble code P2181 on my 2002 VW Golf,

this is a cooling system performance issue. You could get it diagnosed to be sure but 9 times out of 10 it a bad thermostat. Car is most likely running too cold when cruising.

Posted on Dec 20, 2009

  • 357 Answers

SOURCE: cooling sistem code#p2181 volkswagen passat the

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.

Posted on Jan 14, 2011

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Engine Diagnostic code P2181 Volkswagen passat 2005.. PLEASE HELP!!! I'm going nuts over this issue!!!!


I don't see why

I just spend 15 seconds using google
& found pages of info on P2181 & VW's

Mar 08, 2013 | Cars & Trucks

1 Answer

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

1 Answer

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

1 Answer

Passat code p02181


How old is the Coolant Temperature Sensor (CTS)? The CTS have been know to fail, don't rule it out. After that, there's the thermostat and possible water pump. The pump would be your last choice since you did not say it was over heating and the effort required to replacing it. Go with the sensor first, it is a 2 part sensor, and apparently the half sending signal to ECU isn't working correctly according to the ECU.

Replaced the sensor ($43 from my local VW dealer: ouch.) Once you the parts in hand, and the engine was cool enough, it takes all of two minutes (less time than it takes you to replace one of the windshield wiper's rubber; who designed that damn thing????). Then replace the Thermostat 190F and cleared the check engine light.

Good luck and this should solve your P2181 Issues.

Oct 31, 2009 | 2003 Volkswagen Passat

1 Answer

Getting ETC p2181 code for vw gti 1.8 t 02


punch one code at a time into google search check related symptoms

Sep 12, 2009 | 2002 Volkswagen GTI

1 Answer

P2181 code pulled. Driver side A/C fan not


The fan assy does come out of there. It's definitely a DIY job. I believe it's just 3/4 screws and the wiring harness. I had to replace a fan about a year ago and it was pretty simple, aside from there not being enough room in there for my hands. I believe the screws are T25 or T20 torx screws. Failure of a fan is pretty common on the MKIV VW's...

Jul 16, 2009 | 2003 Volkswagen Jetta 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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