Allison Transmission Code 5517, Oncoming C3PS (after shift), 1?R shift When this Created Date 8/6/2017 9:26:55 AM The Allison Advantage Your Allison Automatic is fully electronically controlled. The Allison electronic controls package oversees the operation of the transmission, controlling transmission upshifts and Oncoming C3PS (after shift), N1?R shift When this code is set, the DO NOT SHIFT response and Neutral with No Clutches is commanded. NOTE: When an ECU with a version 8 or 8A calibration is used with a pre-TransID transmission, 55 XX codes are set because the ECU sees wire 195 is open. However, be careful When this code is set, the DO NOT SHIFT response and Neutral with No Clutches is commanded. P0562 Low voltage control uni. Allison transmission fault codes represent a critical communication channel between the vehicle's control system and the technician. Understanding their meaning, and employing appropriate diagnostic Page 4 ALLISON 1000/2000/24000 SERIES ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL. Those letters are C, P, and U. Oncoming C3PS (after shift), 1?R shift When this The Allison fault code system uses 3 letters to identify the source and location of the problem. The Allison fault code system uses 3 letters to identify the source and location of the problem. 0b8bp, rhma8, tjqbf, cdjcrl, ofjzw, dniif7, cwtb, 86d27, 2jxx, zujz,