How do you replace the pcm?

Tiny
LARRYYARB
  • MEMBER
  • 1994 LEXUS ES
  • 143,000 MILES
I need to replace my pcm/engine control for my 1994 lexus. It looks as easy as just plugging in the replacement and turning on the car.


Do I need to program or disable anything for it to work?

thanks so much!

Larry

Thursday, February 23rd, 2012 AT 8:06 PM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
It needs to be reprogrammed as well just not replace it.
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Thursday, February 23rd, 2012 AT 8:43 PM
Tiny
LARRYYARB
  • MEMBER
  • 25 POSTS
Does it have to be programmed to match my VIN?
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Thursday, February 23rd, 2012 AT 9:37 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
No but it needs to be reprogrammed for your drivetrain
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Thursday, February 23rd, 2012 AT 9:47 PM

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