WTEC III ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL DIAGNOSTIC CODES Table 6–2. WT Series Diagnostic Codes (cont’d) CHECK TRANS Light Inhibited Operation Description Main Code Sub- code Description 23 (pg 6–36) 12 Primary shift selector or RSI link fault No Hold in last valid direction. May cause “cateye” display. 13 Primary shift selector mode function fault No Mode change not permitted 14 Secondary shift selector or RSI link fault No Hold in last valid direction. May cause “cateye” display. 15 Secondary shift selector mode function fault No Mode change not permitted 16 Shift Selector display line fault No None. May cause “cateye” display.
24 12 Sump fluid temperature, cold Yes DNS, lock in neutral (pg 6–38) 23 Sump fluid temperature, hot No No upshifts above a calibration range 25 (pg 6–44) 00 Output speed sensor, detected at 0 output rpm, Low Yes (1) DNS, lock in current range (Low), DNA 11 Output speed sensor, detected at 0 output rpm, 1st Yes (1) DNS, lock in current range (1st), DNA 22 Output speed sensor, detected at 0 output rpm, 2nd Yes (1) DNS, lock in current range (2nd), DNA 33 Output speed sensor, detected at 0 output rpm, 3rd Yes (1) DNS, lock in current range (3rd), DNA 44 Output speed sensor, detected at 0 output rpm, 4th Yes (1) DNS, lock in current range (4th), DNA 55 Output speed sensor, detected at 0 output rpm, 5th Yes (1) DNS, lock in current range (5th), DNA 66 Output speed sensor, detected at 0 output rpm, 6th Yes (1) DNS, lock in current range (6th), DNA 77 Output speed sensor, detected at 0 output rpm, Reverse range Yes (1) DNS, lock in current range (R), DNA 26 00 Throttle source not detected No Use throttle default values, DNA (pg 6–47) 11 Engine coolant source not detected No Use default value of –18˚C (0˚F) 32 00 C3 pressure switch open, Low range Yes DNS, lock in current range (Low), DNA (pg 6–48) 33 C3 pressure switch open, 3rd range Yes DNS, lock in current range (3rd), DNA 55 C3 pressure switch open, 5th range Yes DNS, lock in current range (5th), DNA 77 C3 pressure switch open, Reverse range Yes DNS, lock in current range (R), DNA 33 (pg 6–52) 12 Sump oil temperature sensor failed low No Use default value of 93˚C (200˚F) 23 Sump oil temperature sensor failed high No Use default value of 93˚C (200˚F) Copyright © 2001 General Motors Corp.