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ECU - OBDII DTCs and PIDs

VE SS S2 Hvac can bus start up message

Discuss Diagnostic Trouble Codes and Parameter IDs for the Holden VE Commodore, VEII Series Commodores, and HSV E1, E2, and E3 models

Postby Rochie » Wed Mar 11, 2020 6:52 pm

Hello all, I have been looking back through various posts about the VE SS series 2 headunits. I want to remove the headunit completely from my SS and replace it wth dual touchscreens. The touchscreens are currently running from a PC in the boot and I am using a CPJEXC to control the PC from the steering wheel controls. I read on here somewhere that the car will not start with the headunit and HVAC controls removed. CPJEXC software will allow me to send messages on the can bus when booting to fool the system into thinking the headunit is still connected. My question is, does anyone know the message that the HVAC / Headunit sends to the bus to enable the car to start ?

Thank you for your time
Rochie
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