GM Volt Forum banner

error code

  1. Is there a recommended inexpensive OBDII reader and iPhone app combo for error codes?

    Generation 1 Volt (2011-2015)
    Hi all, I have had the engine light come on a couple times intermittently. I'd like to read the code and roughly know what is wrong. I currently have an ELM 327 OBDII reader that transmits via wi-fi to my iPhone where I have the Piston app. I want to make sure I plug the reader in in the...
  2. Mystery CEL & S1E98, P1EC4 error codes

    Generation 1 Volt (2011-2015)
    I suppose it was bound to happen sometime. My 2011 with 70k miles has been 99.9% flawless. But recently I had a mystery CEL that OnStar could not diagnose. I soon experienced the following: With an empty battery charging at 240v would be interrupted within about 15 minutes of starting. My...
Top