Actron GM Code Scanner CP9001 User Manual
Page 20
20
81
Brake switch circuit
problems.
OR
Anti-Lock Brake System
(ABS) message fault
(Saturn).
OR
(Transmission) Solenoid
“B” (3-2 shift solenoid) -
open or short circuit
problems.
82
Ignition system fault - 3X
signal problem.
OR
Electronic control module
(ECM) computer circuit
problem - internal
communications failure
(Saturn).
OR
(Transmission) Solenoid
“A” (1-2 shift solenoid) -
open or short circuit
problems.
83
Torque Converter Clutch
(TCC) solenoid - circuit
problems.
OR
Reverse Inhibit - open or
short circuit in reverse
inhibit solenoid coil.
84
3-2 Control solenoid - open
or short circuit problems.
OR
Skip shift solenoid - open
or short circuit problems.
85
Electronic control module
(ECM) computer circuit
problems - faulty
programmable read-only
memory (PROM).
OR
(Transmission) Input or
output speed sensor -
circuit problems. (Speed
sensor signals do not
agree with with selected
gear range.)
OR
Torque converter clutch
(TCC) - TCC is
mechanically stuck on.
86
Electronic control module
(ECM) computer circuit
problems - faulty analog-
to-digital (A/D) converter.
OR
(Transmission) Low gear
error - transmission in 3rd
or 4th gear when computer
commanding 1st or 2nd
gear.
87
Electronic control module
(ECM) computer circuit
problems - faulty
electrically erasable
programmable read-only
memory (EEPROM).
OR
(Transmission) High gear
error - transmission in 1st
or 2nd gear when
computer commanding 3rd
or 4th gear.
88
Electronic control module
(ECM) computer circuit
problem - internal reset
occurred.
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 (PCM).
OR
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.