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Trouble Code Charts

Fig 1: Trouble Code 12
G09340325Courtesy of GENERAL MOTORS COMPANY
Fig 2: Trouble Code 13
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Fig 3: Trouble Code 14
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Fig 4: Trouble Codes 15, 21, 22, 26, 32, 33, 34, 36 &38
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Fig 5: Trouble Code 15
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Fig 6: Trouble Code 16
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Fig 7: Trouble Code 18
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Fig 8: Trouble Code 19
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Fig 9: Trouble Code 20
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Fig 10: Trouble Code 20 (Cont.)
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Fig 11: Trouble Code 21
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Fig 12: Trouble Code 22
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Fig 13: Trouble Code 23
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Fig 14: Trouble Code 24
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Fig 15: Trouble Code 25
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Fig 16: Trouble Code 26
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Fig 17: Trouble Code 27
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Fig 18: Trouble Code 28
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Fig 19: Trouble Code 29
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Fig 20: Trouble Code 30
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Fig 21: Trouble Code 31
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Fig 22: Trouble Code 32
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Fig 23: Trouble Code 33
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Fig 24: Trouble Code 34
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Fig 25: Trouble Code 35
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Fig 26: Trouble Code 36
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Fig 27: Trouble Code 37
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Fig 28: Trouble Code 38
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Fig 29: Trouble Code 39
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Fig 30: Trouble Code 44
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Fig 31: Trouble Code 45
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TROUBLE CODE 51 

Indicates that calibration PROMs are not being read properly by the ECM. Check PROM installation (backwards, bent or missing pins). Replace as needed. If installed properly, turn ignition off for 10 seconds and check for code 51. If code remains, replace PROMs. Repeat procedure and check for code 51 again. If code remains after replacing PROMs, replace ECM.

Fig 32: Trouble Code 60
G09340356Courtesy of GENERAL MOTORS COMPANY
Fig 33: Trouble Code 63
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Fig 34: Trouble Code 67
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Fig 35: Trouble Code 71
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Fig 36: Trouble Code 72
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Fig 37: Trouble Code 73
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Fig 38: Trouble Code 74
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Fig 39: Trouble Code 75
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Fig 40: Trouble Code 76
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Fig 41: Trouble Code 77
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Fig 42: Trouble Code 78
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Fig 43: Trouble Code 79
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Fig 44: Trouble Code 80
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Fig 45: Cadillac DFI Control System Wiring Diagram
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Fig 46: Performance Chart No. 1
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Fig 47: Performance Chart No. 2
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Fig 48: Performance Chart No. 3
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Fig 49: Performance Chart No. 4
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Fig 50: Performance Chart No. 5
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Fig 51: Performance Chart No. 6
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Fig 52: Performance Chart No. 7
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Fig 53: Performance Chart No. 8
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Fig 54: Performance Chart No. 9
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Fig 55: Performance Chart No. 10
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Fig 56: Performance Chart No. 11a
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Fig 57: Performance Chart No. 11b
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Fig 58: Performance Chart No. 12
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Fig 59: Performance Chart No. 13
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Fig 60: Performance Chart No. 14
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Fig 61: Performance Chart No. 15
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Fig 62: Performance Chart No. 16
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