CSX Standalone Throttle 2020 - 2021 GM 6.6 L Gas

Technical Support Subject CSX Standalone Throttle 2020 - 2021 GM 6.6 L Gas Version Document Department Revision Details Author Reviewed by Implemented Tech. Eng. A EXT-VRTC- 011 Tech Document Release MSP DSB/CL AJH 26 May 2021 Page 1 of 1 Knowledge Base: www.kb.vmacair.com Email: tech@vmacair.com Web: www.vmacair.com Technical Support: 1(888)241-2289 Sales:1(800)738-8622 Fax: 1(877)740-3201 SYSTEM OR PARTS AFFECTED • DTC from V900137 system (P/N: 3560271) OVERVIEW • The DTC should indicate CSX Standalone in the Warranty DB. Warranty is standard 1 year parts sale. • The DTC may indicate “Bad Pressure Sensor” (STATUS LED blinking red, 3 pulses). • Troubleshooting will include standard DTC troubleshooting (i.e. check interlocks, wiring etc.) as well as confirming: ground, 5 V, and return signal voltage (specs included below) on the modified pressure signal harness. NORMAL OPERATION When the clutch pump is enabled, the DTC is powered and goes to the speed selected: • Speed 1 (return signal should be 4.8 V). • Speed 2 (return signal should be 3.28 V). TROUBLE SHOOTING