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GM charging system, codes P1637 P1638
Posted to Technical Discussion Forum on 2/24/2017 12 Replies

HI TDF folks,

Have an odd one here I would appreciate some input on.

It is a 01 Astro van that has a charging concern. History is vehicle is towed in and did not start. The vehicle did not crank, and had a loose terminal on the negative cable. It is equipp... Login to read more.

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12 Replies Received (View Replies)

 

car Vehicle Data

2001 Chevrolet Astro 4.3L

Engine4.3 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2001 Chevrolet Astro 4.3L

Engine4.3 L
Trans4-speed Automatic (Electronic)