How to get trouble codes on a 1995 Cadillac Fleetwood.

PCM diagnostics codes... (-00)

11: malfunction indicator lamp (MIL) circuit
13: Bank 1 (left) heated o2 sensor (open circuit)
14: Engine coolant coolant temperature sensor (siganl voltage low, high tempurature indicated)
15: Engine coolant coolant temperature sensor (siganl voltage high, low tempurature indicated.
16: Distributor ignition system (low resolution pulse)
18: injector circuits.
21: Throttle position sensor TPS circuit (signal voltage high)
22: Throttle position sensor TPS circuit (signal voltage low)
23: Air intake temperature IAT sensor circuit (signal voltage high, low temperature indicated.
24: Vehicle speed sensor (VSS) circuit.
25: Air intake temperature IAT sensor circuit (signal voltage low, high temperature indicated
26: Evaporative emission (EVAP) canister purge solenoid circuit.
27: Exhaust gas recirculation (EGR) vaccum control signal solenoid valve circuit
28: transmission range (TR) pressure switch assembly fault
29: Secondary air injector (AIR) pump circuit.
32: Exhaust gas recirculation (EGR) 1 of 2
33: Manifold absolute Pressure (MAP) sensor circuit (signal voltage high- vacuum low)
34: Manifold absolute Pressure (MAP) sensor circuit (signal voltage low-vacuum high)
36: Distrigutor ignition system (faulty high resolution pulse or extra low resolution pulse detected.)
37: brake switch stuck on
38: brake switch stuck off
41: Ignition control (IC) circuit (open)
42: Ignition control (IC) circuit (shorted or grounded circuit)
43: Knock sensor (KS) circuit
44: Bank 1 (left) heated O2 sensor circuit (lean exhaust indicated)
45: Bank 1 (left) heated O2 sensor circuit (rich exhaust indicated)
46: PASS-key II circuit
47: Knock sensor circuit or control module missing.
48: Mass air flow (MAF) sensor circuit
50: system voltage low
51: EEPROM programming error
53: Sytem voltage high
55: Fuel lean monitor
58: Transmission fluid temp. (TFT) sensor circuit low (High temperature indicated)
59: Transmission fluid temp. (TFT) sensor circuit high (Low temperature indicated)
63: Bank 2 (right) Heated oxygen sensor(HO2S) circuit (open circuit)
64: Bank 2 (right) Heated oxygen sensor(HO2S) circuit (lean exhaust indicated)
65: Bank 2 (right) Heated oxygen sensor(HO2S) circuit (rich exhaust indicated)
66: A/C pressure refrigerant circuit (open or shorted)
67: A/C pressure refrigerant circuit (pressure sensor or A/C clutch circuit problem)
68: A/C relay circuit (shorted circuit)
69: A/C clutch circuit
70: A/C clutch relay driver circuit
72: vehicle speed sensor loss
73: Pressure control solenoind (PCS) circuit (current error)
74: Traction control system (TCS) circuit low
75: Transmission system voltage low
77: Primary cooling fan relay control circuit (not used with V08 option)
78: Secondary cooling fan relay control circuit
79: Trsnsmission fluid overtemp
81: Transmission 2-3 shift solenoid circuit
82: Transmission 1-2 shift solenoid circuit
84: Transmission 3-2 control solenoid circuit
85: Transmission TCC stuck "ON"
90: Transmission TCC solenoid circuit
95: Change oil lamp circuit
96: low oil lamp circuit
97: VSS output circuit

CCM Diagnostic trouble codes (-01)

20: RAP enable circuit (circuit shorted to battery)
21: RAP enable circuit (circuit open or shorted to ground)
22: DIL enable circuit (circuit shorted to battery)
23: DIL enable circuit (circuit open or shorted to ground)
24: Curtesy output circuit (circuit shorted to battery)
25: Curtedy output circuit (circuit open or shorted to ground)
26: VES output circuit (circuit open or shorted to ground)
27: VES output circuit (circuit shorted to battery)
28: VES tracking tracking error (circuit open, shorted to ground, or shorted to battery)
30: "PASS KEY FAULT" telltale circuit (circuit shorted to battery)
31: "PASS KEY FAULT" telltale circuit (circuit open or shorted to ground)
32: Fuel enable circuit (circuit shorted to battery)
33: Fuel enable circuit (circuit open or shorted to ground)
34: Heaflamp enable circuit (circuit shorted to battery)
35: Park lamp enable circuit (circuit shorted to battery)
36: DRL enable circuit (circuit shorted to battery)
37: DRL enable circuit (circuit open or shorted to ground)
38: EEPROM calibration error
39: EEPROM calibration id error
40: Delay pot circuit (circuit shorted to ground)
41: Dealy pot circuit (circuit open or shorted to battery)
42: Key resistor circuit (circuit shorted to ground)
43: Key resistor circuit (circuit open or shorted to battery)
44: Steering wheel sensor circuit (circuit open or shorted to ground)
45: Steering wheel sensor circuit (circuit open or shorted to battery)
46: CCM internal failure
47: Canadian select input error

THE REST OF THE CODES WILL BE IN THE COMMENTS BECAUSE IT WAS TOO LONG TO PUT THEM HERE .