CANT GET OBD2 TROUBLE CODES

2002 Chevrolet Tahoe

Tiny

sexyman

September, 6, 2011 AT 7:14 PM

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

FOUND 830 RELATED QUESTIONS

Ecm Problem

88 ANSWERS

1 Answer

Tiny

Jacobandnickolas

September, 6, 2011 AT 7:38 PM

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

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