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Actron GM Code Scanner CP9001 User Manual

Page 20

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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.

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