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P2181 coolant system problem

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Dear please check coolant system if there is any water escape
and check thermostat
i have got same this code before and was thermostat was not working well

Posted on Dec 20, 2014


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Where is p2181 located in my 2003passar motor

Potential Causes:
- Connector
- Defective Coolant Temperature Sensor (CTS) Wiring
- Defective Thermostat

1. Measure engine temperature and ensure it is getting up to proper operating temperature.
2. Connect a Volkswagen-compatible scan tool and monitor engine temperature on the scan tool. Compare to the actual engine temperature to determine if the coolant sensor is working correctly.

Nov 01, 2016 | Cars & Trucks

1 Answer

How to fix p2181 code

you did not say what car so I will give the obd-2 code reference It refers to cooling system performance===causes---radiator---coolant thermostat---engine coolant blower motor ( fan)ECT sensor.. If you have a heating problem then these causes will be close enough to give you some idea of where to look for the problem

Jan 24, 2014 | 2005 Audi A4

1 Answer

Got a P2181 code?


Feb 28, 2011 | 2005 Audi A4

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

P2181 having problem with electrical cant figure this code out

that code is "cooling system performance". It may be due to a failed cooling fan, a stuck thermostat, or a bad ECT (engine coolant temperature) sensor or a bad wire from the sensor to the car's computer.

Jan 25, 2011 | 2006 Chrysler 300

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

Have a 04 golf 2.0 with a CEL on; code: P2181. Engine doesn't run hot, plenty of fluids, suspect either a temp sensor or a thermostat. Is it safe to drive if it runs well otherwise?

P2181 - Performance Malfunction in Cooling System
Possible Solutions
* Check Engine Coolant Temperature Sender (G62)
* Check Coolant Thermostat
* Check Engine Cooling System
o Put the key on, fan speed on 1, and push the a/c switch. Are both fans kicking on? If not, you found the problem.
o Put the key on and fan speed on 1. Does heat come out readily from the vents?
+ No. Probably the water pump is gone.
+ Yes. Probably the thermostat is gone. good- luck!!

Aug 01, 2010 | 2004 Volkswagen Golf

2 Answers

What does the diagnostic code P2181 mean on a Subaru Impreza WRX?

this is a coolant performance code. Usuallly sets this code if the connector was left unhooked to the coolant sensor or the thremostat is stuck open. By any chance do you have a gauge that seems to be on the cold side ??

Nov 30, 2009 | 2002 Subaru Impreza

1 Answer

Have a 2002 jette 1.8 turbo. code P2181 is showing up. what is the descrption for this code?

Hi jdbrown2005
Code p2181 is a cooling system fault.
On occasions it is caused by a faulty cylinder head gasket...
But more often a problem with one of the following.
First check the coolant level... motor thermo switch and water pump. It is usually of these that cause the problem
Hope this helps you

Oct 11, 2009 | 2002 Volkswagen Jetta TDI

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

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