Cant get OBD2 trouble codes

Tiny
SEXYMAN
  • 2002 CHEVROLET TAHOE

Working on vehicle tried to read obd2 codes getting error message not able to connect. Checked all fusses and relayes all working but fuse fore pcm was destorted but not blown. Scanner passes self test and workes in other vehicles. Vehicle working on starts and ideals good but lacks enough power to not be able to move. Dont thing trancmassion related because of not being able to read computer codes

Do you
have the same problem?
Yes
No
Tuesday, September 6th, 2011 AT 7:14 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
  • 68,362 POSTS

Check connections to PCM. Make sure none of the pins are damaged or pushed in. Make sure nothing is corroded.

Please consider a donation to help us answer more questions.
Was this
answer
helpful?
Yes
No
Tuesday, September 6th, 2011 AT 7:38 PM

Please login or register to post a reply.

Related Engine Computer PCM Read Code Questions

Help us by donating