2
2-13
GM
CODE
SERVICE CODE DEFINITION
82
Internal PCM communication fault (Saturn) or QDM
Solenoid "A" monitored voltage differs from commanded
Ignition system fault - 3X signal problem
83
Torque Converter Clutch (TCC) solenoid - circuit
problems
Reverse Inhibit - open or short circuit in reverse inhibit
solenoid
84
3-2 Control solenoid - open or short circuit problems
Skip shift solenoid - open or short circuit problems
85
Programmable Read Only Memory error or undefined
gear ratio (input or output sensor failure)
Torque converter clutch (TCC) - TCC is mechanically
stuck on
86
Analogue/Digital Electronic Control Module (ECM)
error or shift Solenoid "B" stuck on
87
Electrically Erasable Programmable Read Only Memory
(EEPROM) error or shift Solenoid "B" stuck off or high
gear ratio error
88
Electronic Control Module (ECM) computer circuit fault
89
Power Management fault
90
TCC error
91
Skip shift light - open or short circuit problems in skip
shift light circuit
93
Pressure control solenoid - transmission line pressure
not at desired level
95
Change oil light - wrong voltage is present in light
circuit for more than 26 seconds
96
Transmission voltage low - low system voltage possibly
caused by generator voltage supply circuit or power
train control module
Low oil light - wrong voltage is present in light circuit
for more than 26 seconds
97
Vehicle speed sensor (VSS) - output circuit problems
99
Tachometer output circuit problems
Summary of Contents for GM 3123
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