PWM cooling fan(s) control using ECM

#11

10-20-2015, 12:56 PM

parsonsj parsonsj is offline

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Quote:

Originally Posted by Dave

This functionality is built into OEM control logic (E40, E38, E67, etc. with PWM fan control.

Except for GMPP controllers. GM deliberately disabled the PWM fan control logic (along with AC pressure sensor input and reverse lockout, and who knows what else) to reduce warranty issues.

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