Question

On my 2002 Chevrolet Silverado 6.0L 2500HD, I got P1643 and P0700 codes how to repair it? what is the fix?

Answer 1

Hi there,

The P1643 code points towards an issue with the wait to start the lamp. Here is some info regarding this code.

P1643 CHEVROLET - Wait To Start Lamp Control Circuit Conditions
Read more: https://www.autocodes.com/p1643_chevrolet.html

The P0700 code points towards an issue with the transaxle control system. Here is some info regarding this code.

P0700 CHEVROLET - Transaxle Control System Malfunction
Read more: https://www.autocodes.com/p0700_chevrolet.html