
MAYCO C30HDGA CONCRETE PUMP • OPERATION MANUAL — REV. #1 (09/09/19) — PAGE 61
ENGINE FAULT CODES
Table 7. GCP ECU Fault Code List for ZPP 416 Engine (continued)
NO.
FAULT DESCRIPTION
TURNS ON MIL?
MIL FLASH CODE
39
Injector 2 Low/Open
Yes
264
40
Injector 2 High/Short
Yes
265
41
Injector 3 Low/Open
Yes
267
42
Injector 3 High/Short
Yes
268
43
Injector 4 Low/Open
Yes
269
44
Injector 4 High/Short
Yes
271
45
Injector 5 Low/Open
Yes
273
46
Injector 5 High/Short
Yes
274
47
Injector 6 Low/Open
Yes
276
48
Injector 6 High/Short
Yes
277
49
Gasoline Fuel Pressure too low
Yes
287
50
Gasoline Fuel Pressure too high
Yes
288
51
Gasoline Fuel Pressure low voltage
Yes
291
52
Gasoline Fuel Pressure high voltage
Yes
292
53
FPP1 higher than IVS limit
Yes
315
54
Knock Retard at Limit
Yes
325
55
Knock1/2 excessive signa
Yes
326
56
Knock1/2 sensor open
Yes
327
57
CRANK Sync Loss
Yes
335
58
CRANK signal noise
Yes
336
59
No CRANK signal
Yes
337
60
FPP1 lower than IVS limit
Yes
339
61
CAM signal noise
Yes
341
62
No CAM signal
Yes
342
63
Fuel (LPG or NG) run-out longer than expected
Yes
359
64
Primary Loop Open or Low-Side Short to Ground
Yes
411
65
Primary Coil Shorted
Yes
412
66
Catalyst inactive on gasoline
Yes
421
67
Engine Oil Pressure Too Low
Yes
524
68
Battery Voltage Low
Yes
562
69
Battery Voltage High
Yes
563
70
Microprocessor failure - FLASH
Yes
621
71
Microprocessor failure - RAM
Yes
624
72
Microprocessor failure - COP
Yes
626
73
Starter relay coil open
Yes
615
74
Starter relay control short to GND
Yes
616
75
Starter relay coil short to 12V
Yes
617
76
Gasoline fuel pump relay control wire open
Yes
627
77
Gasoline fuel pump relay control wire short to ground
Yes
628