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Go Back   TDIClub Forums > VW TDI Discussion Areas > Dieselgate - VW Group Emission Scandal

Dieselgate - VW Group Emission Scandal Discussion around the VW Dieselgate Emissions scandal. Details and news updates can be viewed here: http://forums.tdiclub.com/showthread.php?goto=newpost&t=448336 This forum is a work in progress depending on requirements, usage, etc.

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Old May 25th, 2019, 06:34   #1
Nawkanie
Newbie
 
Join Date: May 2019
Location: California
TDI(s): Jetta
Default DPF, MIL then flashing glow lamp

Jetta '10 started off with a DPF light, took it to the dealer - they said everything was fine, just need to get it to regen so take it on the highway.

Got the keys back and the MIL light came on then glow plug starts flashing. Brought it back to the dealer and got the following code: P1950 (Radiator Fan - Movement Restricted).

My question:

1) Since the MIL came on, should the cooling fan not be covered for the extended emissions warranty? I read here the cooling fan might not be connected to the OBD - so can not fixing it still clear the MIL light?

Any help in understanding this would be great. Thanks.

Last edited by Nawkanie; May 26th, 2019 at 16:48.
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Old May 25th, 2019, 07:35   #2
GoFaster
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Join Date: Jun 1999
Location: Brampton, Ontario, Canada
Default

Cooling fan is not emissions related. Just because it's connected to the diagnostic system doesn't mean it's emissions related.

"Movement restricted" means the drive for the fan motor is requiring more current than expected for the fan speed being commanded, i.e. something is mechanically causing too much drag. It shouldn't be hard to establish what's going on there. With the ignition off (so that the fan doesn't try to run!), spin the fan blade with your finger. It should turn easily. If it doesn't, find out why. Belt too tight, obstruction/debris in the fan blades, motor seizing up, etc.
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formerly ... 2006 Jetta TDI 5-sp, Spice Red, Unitronics stage 1, 0.681 5th gear.
and before that ... 1996 Passat TDI, Silk Blue
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Old May 25th, 2019, 07:52   #3
Nawkanie
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Join Date: May 2019
Location: California
TDI(s): Jetta
Default

Thank you for your reply.

I guess I'm not clear, since the emissions fix my cooling fans have been running a lot more and longer, I thought it was related to the regeneration and if that's the case I thought it would be covered under the: "The On-Board Diagnostic (OBD) system – any malfunctions detected by the OBD system other than those related to the transmission" statement.

The car is at the dealer until I give them the go ahead for the fixes. With the large cooling fan down, would the small one just work harder to get the regen to happen? Any idea if I actually need both fans to work for my car to go into regeneration?
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