Randomly stalling, code P0601

Tiny
JOSHUA HARSHAW
  • MEMBER
  • 2008 SATURN VUE
  • 3.6L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 155,678 MILES
My car is stalling out randomly. The only engine code I am getting is a p0601 engine checksum error. Is there any way for me to find out what is causing it?
Wednesday, May 30th, 2018 AT 6:46 PM

1 Reply

Tiny
STEVE W.
  • MECHANIC
  • 13,452 POSTS
Basically there is an error being caused inside the PCM when it runs its internal testing, either a communication buss error or it is getting wrong data when it calculates the checksum validation code. If it happens while the engine is running it will act like the anti-theft turned on and shuts off the engine.
The only reliable repair is to replace the PCM.
They run about $200.00 for a new one online (Rock Auto) and whatever a shop or dealer would charge to reprogram it.
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Friday, June 1st, 2018 AT 6:08 PM

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