EPC Light turns on intermittently?

Tiny
GEIJOE
  • MEMBER
  • 2019 VOLKSWAGEN JETTA
  • 1.4L
  • 4 CYL
  • TURBO
  • 2WD
  • AUTOMATIC
  • 78,000 MILES
EPC Light on intermittently sometimes won't come on at all while driving. System also has Start/Stop System error message.
Friday, October 6th, 2023 AT 11:09 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Hi,

The EPC light, electronic power control light, is usually an indication of an issue with the throttle control system or anything that may affect the system. When this happens, do you ever notice any difference in the vehicle's drivability?

If you haven't done it already, I recommend scanning the can-bus system. CAN stands for controller area network. Basically, the different modules are tied together via a few wires. This type of scan will retrieve codes regardless of the module storing them.

Here is a link that explains how it's done:

https://www.2carpros.com/articles/can-scan-controller-area-network-easy

Let me know if that is something you have done or if you can have it done.

Take care,

joe
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Friday, October 6th, 2023 AT 9:12 PM

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