RpmExtreme GM E38 A/C Request Module

 GM E38 A/C Request Module

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  • E38 AC Request Module
Retail: $325.00 Web Price: $249.00

Product Description

We have a module that will send the AC request signal to the E38 ECU and will allow you to run your A/C from the factory ECU.

Simply plug into the OBD2 port or hard wire it into your harness and when you apply 12 volts (Positive control) or Ground (Negative control) to the trigger wire it will send the Ac request signal to the GM ECU. 

We have tested this with the truck and camaro calibration. 


If your AC unit outputs 12 volts when turned on you will need a postitive control box.

If your AC unit grounds the output you will need a negative control box.