abs computer not responding

Asked by Ronald Nov 23, 2020 at 02:49 PM about the 1996 Chevrolet S-10 LS Extended Cab RWD

Question type: Maintenance & Repair

abs computer not connecting with main computer in 1996 chevy s10 pickup 4.3
liter v6  abs light coming on

1 Answer

154,565

The ABS computer is completely different from the PCM. You need a scan tool that will communicate with the ABS computer. Also, each time you shut off the ignition the ABS computer is cleared. It does not store trouble codes. So in order for the codes to be read the ABS light has to be on when you scan it. If the ABS light comes on and stays on when you start the engine it's a sensor or the related wiring. If the ABS light comes on when you start the engine, goes out, but comes on again when the vehicle starts moving it's the pump and modulator assembly. The ABS computer checks everything except the pump and modulator assembly when you start the engine. The pump and modulator assembly is not checked until the vehicle begins to move after the engine is started. Hope that helps! Jim

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