Actron GM Code Scanner CP9001 User Manual
Page 19
19
61
Oxygen (O
2
) sensor
degraded.
OR
Port throttle system error.
OR
Cruise control problems -
vent solenoid circuit.
OR
Air Conditioner (A/C)
system performance
problems.
62
Gear switch circuit
problems.
OR
Oil temperature sensor -
signal voltage is high
(Corvette).
OR
Cruise control problems -
vacuum solenoid circuit.
63
Manifold absolute pressure
(MAP) sensor - signal
voltage is high.
OR
Small EGR failure.
OR
Right oxygen (O
2
) sensor
failure (dual sensor
engines).
OR
Cruise control system
problem.
64
Manifold absolute pressure
(MAP) sensor - signal
voltage is low.
OR
Medium EGR failure.
OR
Right oxygen(O
2
) sensor -
lean condition indicated
(dual sensor engines).
65
Large EGR failure.
OR
Fuel injector current low.
OR
Right oxygen (O
2
) sensor -
rich condition indicated
(dual sensor engines).
OR
Cruise control position
sensor problem.
66
Air Conditioner (A/C)
pressure sensor - circuit
problems or low A/C charge.
OR
Electronic Control Module
(ECM) computer circuit
problem - internal reset
occurred.
OR
(Transmission) 3-2 shift
control solenoid - circuit
problems.
67
Cruise control - switch
circuit problems.
OR
Air Conditioner (A/C)
pressure sensor - circuit
problems.
OR
Torque Converter Clutch
(TCC) solenoid - circuit
problems.
OR
Cruise control switches -
circuit problems.
68
Cruise control - system
circuit problems.
OR
Air Conditioner (A/C)
clutch relay - short circuit.
OR
(Transmission) Overdrive
ratio error - engine RPM
greater than input speed.
69
Air Conditioner (A/C)
system - pressure switch
or A/C clutch relay circuit
problems.
OR
Torque converter clutch
stuck “on”.
70
Air Conditioner (A/C)
pressure sensor - signal
voltage too high.
71
Air Conditioner (A/C)
evaporator temperature
sensor - signal voltage too
low.
72
Gear Select switch - circuit
problems.
OR
Vehicle Speed Sensor
(VSS) - loss of signal.
73
Air Conditioner (A/C)
evaporator temperature
sensor - signal voltage too
high.
OR
(Transmission) Pressure
control solenoid - circuit
problems.
74
Traction control circuit
voltage low.
75
Exhaust gas recirculation
(EGR) system - Solenoid
No.1 problem.
OR
System voltage low -
charging system problems.
OR
Transmission voltage low -
low system voltage
possibly caused by
generator voltage supply
circuit or power train
control module (PCM).
76
Exhaust gas recirculation
(EGR) system - Solenoid
No.2 problem.
77
Exhaust gas recirculation
(EGR) system - Solenoid
No.3 problem.
OR
Primary cooling fan relay
driver circuit - circuit
problems.
78
Secondary cooling fan
relay driver circuit - circuit
problems.
79
Vehicle Speed Sensor
(VSS) - signal voltage too
high.
OR
Transmission Temperature
Sensor (TTS) - high
temperature indicated.
80
Vehicle Speed Sensor
(VSS) - signal voltage too
low.