CHEVY ENGINE CODES

1994 Chevrolet Truck

Tiny

tolbert54

September, 1, 2009 AT 8:33 PM

Computer problem
1994 Chevy Truck V8 Two Wheel Drive Automatic 218000 miles

i have engine codes 43 66 67 81 82 looked every where for a book to tell what these are but only shows 43 which is esc but 66 67 81 82 are no where to be found also lost 1st and 4th in trans all the sudden other than that it runs good I think the other codes are trans codes

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2 Answers

Tiny

bluelightnin6

September, 1, 2009 AT 9:49 PM

Code 43 = knock sensor with spark control module

code 66 = open or shorted ABS pump motor relay

code 67 = open motor circuit or shorted BPMV output

code 81 = brake switch circuit shorted or open

code 82 = solenoid " A" stuck off ( 1st & 4th gear only)

Tiny

tolbert54

September, 2, 2009 AT 6:15 PM

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