CADILLAC/CHEVROLET/GMC: SERVICE HYBRID SYSTEM MESSAGE AND OR SERVICE ENGINE SOON LAMP ON. ENGINEERING WOULD LIKE INFORMATION ON VEHICLES WITH DTC P0C19, P0C1A, P0A78, P0A79, P0C0B, P0C0E, P0BFD, OR P0BFE. RETRIEVE AND SAVE THE FREEZE FRAME DATA, THEN RECORD A SNAPSHOT OF BOTH MOTOR CONTROL MODULE 1 AND 2 DURING A CRANK ATTEMPT. *PE