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 .