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EPC code/illumination on New VW Jetta #4582811
11/23/17 11:53 AM
11/23/17 11:53 AM
Joined: Mar 2012
Posts: 804
BerksCounty/Pa.
thorromig Offline OP
thorromig  Offline OP
Joined: Mar 2012
Posts: 804
BerksCounty/Pa.
GF called me Tuesday nite when she got to work. Said her new Jetta in signature lost almost all engine power & the EPC lite was illuminated on her dash board. I looked it up on the VW site & it gave acouple reasons for the light to come on. First was engine loss of power, second was a faulty map sensor. The VW site said to get it to a dealer ASAP to get checked out. When she took it in they said no code came up & the only thing that showed up on there reader is that she was running real low on fuel at the time?? I asked her if it was really low & she said that the fuel light just came on before the EPC came up. She checked her owners manual & it states -- "when fuel light comes on -- you have 40 miles of fuel left." Kinda fishy to me they told her no code came up when she did not make this up about the code -- im sure. Since she got it back its been running fine now the last couple days. I told her if it comes on again, that im going with to the dealer & asking for a manager or supervisor to talk with this time. Any other members here experiencing any similar code/codes on there VW products with the 1.4L Turbos?


00 Dodge Ram 5.2L 4x4 Edge 10W30 FU (91K)
08 Acura TL Type S 3.5L PUPP 5W20 FU (101K)
17 Jetta TSI SE 1.4L Turbo - Edge 0W40 FU (Hers) (4K)
Re: EPC code/illumination on New VW Jetta [Re: thorromig] #4582835
11/23/17 12:14 PM
11/23/17 12:14 PM
Joined: Apr 2016
Posts: 842
KS
FordBroncoVWJeta Offline
FordBroncoVWJeta  Offline
Joined: Apr 2016
Posts: 842
KS
Take it to a different dealer next time. My car has NEVER done what you have described and I have occasionally drove it completely bone dry (to where there is nothing even on the bar). It should have stored a code, I don't buy what they are putting down. Although my last Jetta did that too. Ended up being the coil. It ALWAYS stores a code.


17 Volkswagen Jetta 1.4T
15 Honda CRV 2.4
12 Volkswagen Jetta 2.0
01 Pontiac Sunfire 2.2
Re: EPC code/illumination on New VW Jetta [Re: thorromig] #4582840
11/23/17 12:23 PM
11/23/17 12:23 PM
Joined: Dec 2011
Posts: 4,742
North Carolina
rooflessVW Offline
rooflessVW  Offline
Joined: Dec 2011
Posts: 4,742
North Carolina
Most likely a wiring/software fault - the last car I had with this issue got a new harness. The loss of power along with the light is telling.

There's a TSB that covers a similar issue and involves a few module software changes to rectify.

I too suggest that you try a new/different dealer.


"Zed's dead baby, Zed's dead."
Re: EPC code/illumination on New VW Jetta [Re: thorromig] #4582932
11/23/17 01:55 PM
11/23/17 01:55 PM
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Merkava_4 Offline
Merkava_4  Offline
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Maybe the low fuel situation triggered the EPC light.

Re: EPC code/illumination on New VW Jetta [Re: Merkava_4] #4583013
11/23/17 03:55 PM
11/23/17 03:55 PM
Joined: Apr 2016
Posts: 842
KS
FordBroncoVWJeta Offline
FordBroncoVWJeta  Offline
Joined: Apr 2016
Posts: 842
KS
Originally Posted By: Merkava_4
Maybe the low fuel situation triggered the EPC light.
It shouldn't have anything to do with it. EPC is for the Electrical Power Control in the car.


17 Volkswagen Jetta 1.4T
15 Honda CRV 2.4
12 Volkswagen Jetta 2.0
01 Pontiac Sunfire 2.2
Re: EPC code/illumination on New VW Jetta [Re: thorromig] #4583073
11/23/17 05:42 PM
11/23/17 05:42 PM
Joined: Dec 2015
Posts: 334
Ohio
Dorian Offline
Dorian  Offline
Joined: Dec 2015
Posts: 334
Ohio
My cousins 01 Jetta 2.0 would have the EPC light on and you had seconds to pull over when you had power steering and assisted brakes. It would die quickly after. I would keep trying to have them look at it and find something. It clearly noticed something is not good.


15 Camry Hybrid SE 48K 0W20 Kendall bulk
14.5 Camry SE 2AR 0W20 M1 AFE 44K (Mom's)
98 Chevy Prizm 1ZZ M1 AFE 0W30 148K (Brother's)
Re: EPC code/illumination on New VW Jetta [Re: FordBroncoVWJeta] #4583157
11/23/17 08:10 PM
11/23/17 08:10 PM
Joined: Mar 2012
Posts: 804
BerksCounty/Pa.
thorromig Offline OP
thorromig  Offline OP
Joined: Mar 2012
Posts: 804
BerksCounty/Pa.
I am in agreeance with you about it had to store a code. Im just hoping it does not happen again. I will flat out tell the manager or supervisor --- do not try to [censored] a bullshitter!!!


00 Dodge Ram 5.2L 4x4 Edge 10W30 FU (91K)
08 Acura TL Type S 3.5L PUPP 5W20 FU (101K)
17 Jetta TSI SE 1.4L Turbo - Edge 0W40 FU (Hers) (4K)
Re: EPC code/illumination on New VW Jetta [Re: thorromig] #4583184
11/23/17 08:49 PM
11/23/17 08:49 PM
Joined: Dec 2014
Posts: 191
USA
dbias Offline
dbias  Offline
Joined: Dec 2014
Posts: 191
USA
EPC MIL should have stored a code. VW ecms store a code for every MIL and many codes that never even trigger a MIL . The loss of power is limp mode to protect engine and specifically the cat if it is missing. My two experiences with epc code, two different cars, is a failing coil.

OBDeleven is a worth it weight in gold for any VAG product owner, not inly for diagnosis but for tweaking many other functions to your liking

Last edited by dbias; 11/23/17 09:04 PM. Reason: obdeleven plug

2011 VW JETTA Castrol Edge 0W-40
2012 FORD TRANSIT CONNECT Castrol Edge 5W-20
2016 HONDA CIVIC COUPE Castrol Edge 0W-20
2017 AUDI A4 Ravenol SSL 0W-40
Re: EPC code/illumination on New VW Jetta [Re: thorromig] #4583212
11/23/17 09:22 PM
11/23/17 09:22 PM
Joined: Dec 2011
Posts: 4,742
North Carolina
rooflessVW Offline
rooflessVW  Offline
Joined: Dec 2011
Posts: 4,742
North Carolina
I'd personally pass on OBD Eleven. I prefer VCDS - much more functionality in that it mirrors the OE VAS tool. Costs more, of course.

It is very likely that the incident did not store a code. EPC indicates an electrical issue - these types of issues can occur in the harness or module in a way that will not set or store a code.

If it's on while you scan- 100% there will be a stored fault. If the EPC light comes on but is off when the vehicle is scanned, it's about 50/50.


"Zed's dead baby, Zed's dead."
Re: EPC code/illumination on New VW Jetta [Re: thorromig] #4583257
11/23/17 10:28 PM
11/23/17 10:28 PM
Joined: Sep 2004
Posts: 5,998
Santa Barbara, CA
surfstar Offline
surfstar  Offline
Joined: Sep 2004
Posts: 5,998
Santa Barbara, CA
I paid ~$60 for OBD11 - worth it for sure.
I hope I don't have to dig into repair/diagnosis so deep that I need a $350-500+ (used to new) for VCDS setup.


2016 Golf Sportwagen 5MT M1 0w40 LC20 RLI BioPlus
my other vehicle is a Roth IRA
Re: EPC code/illumination on New VW Jetta [Re: thorromig] #4583261
11/23/17 10:33 PM
11/23/17 10:33 PM
Joined: Feb 2013
Posts: 10,690
Phoenix, AZ
Nick1994 Offline
Nick1994  Offline
Joined: Feb 2013
Posts: 10,690
Phoenix, AZ
If it happens again tell her to pull over, turn the car off, and have it towed to the dealer so the code should still be stored. In the owner's manual booklet is a towing guide, there's free towing while under warranty.


2015 Hyundai Sonata 2.4L 84k Mobil 1 AFE 0w30 & OEM
2000 Toyota Camry 2.2L 230k Valvoline 5w30 & Fram Ultra
1996 Jeep Cherokee 4.0L 147k Mobil 1 HM 10w40 & Fram Ultra
Re: EPC code/illumination on New VW Jetta [Re: thorromig] #4583271
11/23/17 11:13 PM
11/23/17 11:13 PM
Joined: Apr 2013
Posts: 5,776
FL, USA
gregk24 Offline
gregk24  Offline
Joined: Apr 2013
Posts: 5,776
FL, USA
Different engine, but my Fiancees Jetta with the 1.8T has been ran to "zero miles left to empty" and then 10 miles past that, with no issues. Let us know how this ends.


2012 Honda Accord EX-L K24z3
54,xxx miles
PPPP 0w20 / Fram Ultra

2014 VW Jetta SE 1.8T ea888
40,xxx miles
Castrol OEM dealer fill / OEM filter

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