Check Engine Light Due to Ignition Component/Engine Coolant Temperature Sensor Failure on Volkswagen Beetle

Due to an ignition component and/or engine coolant temperature sensor failure, the Check Engine Light may illuminate. Replacement of the failed component will be necessary to correct this concern.

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Average mileage: 86,587 (19,400–240,000)
Exhaust & Emissions affected: Gasoline
13 model years affected: 1998, 1999, 2000, 2001, more2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
77 people reported this problem
32 people shared problem details
chek engine light come on and it said it had a coolant failure. light is still on after 3 months. what do i do?
My check engine light has been on for the last 3 years. I have taken it back several times to the dealership. The light goes off for several days then returns. Also I my air bag light is on. The dealership claimed it was the seat belt. They replaced that, got home the light came on again. I replaced the ignition coil for a cost of $800+ and again my bug is having all the same above problems Its a lemon!!!!!
Blue Coolant light on, then Check engine light. OBD II code for faulty sensor.
My check engine light comes back on within a day and usually on my way home from the mechanic. Farthest I've gone [after "fixing" the problem] was 73 miles. Last repair the check engine light came back on after only 23 miles. No codes, no emission problems - just a quirky car! The light first appeared around 40K miles and went on and off for the next 20K. I'm up to 114K miles and it's on all the time now.... I know there is nothing wrong with the car. My mechanic knows there is nothing wrong with the car. Now all we have to do is convince the Ohio E-Check savants........LOL
Temp.sensor needs changing according to readout...need to know how to find location of sensor
my check engine light and the airbag light have been on since i can remember. dont know why
Temperature light.
It cost 15 to replace myself but was a pain to get apart and locate
Check engine light comes on for a few days and will go off; been intermittent problem for past year. Accompanied by red coolant light also coming on, intermittently.
Chk engine light comes on for no apparent reason. Had thermostat replaced, ABS sensors replaced, MAF replaced, it seems EVERYTHING is tied into the Check Engine Light. Runs ok when I'm not looking at that light, but every time I turn around that damn light comes back on. This is THE worst car I have ever had. Will not buy another. Problems appeared around 82K and have not quit since. Have spent close to $3,000 on just little issues with this piece of crap. Will fix one thing only to have it affect something else. And I always thought the Germans were suppose to know how to build a car. Maybe Mexican labor didn't follow the build instructions, but whatever it is it has me EXTREMELY frustrated!
coolant light came on though fluids were fine. Would go away in 2-3 minutes. Then after a few days check engine light came on and would not go out, Fluids were also fine. Resolution of issues were to replace Oxygen sensors, at cost of $690.00.
Check engine light is on, replaced by a VW mechanic.. light came back on...Can't pass emission because of the check engine light.
Check engine light on, seat belt light comes on periodically too for no apparant reason. Back window won't roll down.
Mine continues to throw a code, reading about it on the internet seems to show that this a software problem that changing sensors does NOT fix. I've been driving mine now over 40,000 miles with code 2151 ( I believe) throwing every few days...
Turn signals go on, blink once or twice then turn off. Will stay on sporadically if I hold the signal with my hand to the halfway point.
The check engine light came on, after the coolant sensor light came on. Required a new coolant sensor, and then the check engine light could be extinguished. Expensive, and frustrating.
The code shows engine coolant sensor... I have not replaced it
not fixed yet. My mechanic cannot figure out what to do.
The check engine light comes on as "Red" wasn't flashing until this morning, but changed to blue.
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