Equus 3123 - GM Code Reader (1982 - 1995) - Manual (Page 23)

Retrieving ECM Codes
GM 2-14
2.5.2 Saturn Electronic Transmission Service Codes
• Transmission codes will be transmitted (if present) after
all engine codes are transmitted and code 11 has been
sent. Code 11 indicates that transmission codes are
present and will be transmitted on the "Shift to D2" light
(1991-92 models) or the "Temperature" indicator light
(1993 and later models).
CODE SERVICE CODE DEFINITION
13 Line pressure high
14 Line pressure low
15 Hot light
16 No 1st gear
Electrical variable orifice (EVO) fault
17, 18 No gears available
21 2nd gear stuck "on"
22 No 2nd gear
23 No 3rd gear
24 No 4th gear
25 No torque converter clutch
26 Torque converter clutch stuck "on"
27 Quick quad-driver output fault
31 Transaxle temperature circuit open
32 Transaxle temperature circuit grounded
34 Powertrain Control Module (PCM) - communication
failure
35 No turbine speed signal
36 Turbine speed signal noise
41 Vehicle Speed Sensor (VSS) circuit - no signal
42 Vehicle Speed Sensor (VSS) circuit - signal noise
43 Master relay - open or grounded
44 Master relay - shorted
45 Gear selector switch circuit problem - no signal
46 Gear selector switch circuit problem - invalid signal
47 Powertrain Control Module (PCM) computer circuit
problem - communication interrupt failure