0437538 JOHNSON CARBURETOR BODY ASSY., 90

18Dec2018
U-734
A-532
D-648
O-641
After Failure Only
PRODUCT SUPPORT PROGRAM FOR INSTALLING NEW ENGINE SOFTWARE ON CERTAIN C4.4 INDUSTRIAL ENGINES
1000 1920 PS53945
Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar.
This Program can only be administered after a failure occurs.The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS53945" as the Part Numberand "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.
The information supplied in this service letter may not be valid after the termination date of this program.Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.
TERMINATION DATE
31Dec2020
PROBLEM
The existing software may cause the ECM to generate one or more fuel injector solenoid current above normal fault codes (651-6, 652-6, 653-6 and/or 654-6) leading to an engine derate along with difficulties to start on certain C4.4 Industrial Engines.
AFFECTED PRODUCT
Model Identification Number
C4.4 JKT00002-00007, 9, 11, 13-18, 20, 27-64, 68-69, 75-106, 117, 124, 126, 129-138, 140-144, 149-162, 176, 184, 190-193, 209-213, 228, 230, 232, 237-238, 240-241, 243, 249-258, 303-314, 326, 333, 360, 362, 365, 369, 378, 386, 404-412, 416, 428-432, 440-441, 443, 447-449, 459-476, 479, 485, 490, 495, 497, 522, 526, 529, 533-537, 540, 542, 550, 553-560, 564, 584-587, 593, 600, 609-615, 617-620, 622-627, 638-639, 641, 646, 652-653, 655, 660, 665-667, 669, 678, 686, 688-693, 713, 715, 719-720, 730, 754, 774-776, 779, 784, 789, 801, 803, 807-809, 811, 817, 819-820, 824, 826, 829-830, 832-837, 839-843, 849, 864-887, 889-896, 899, 903, 912-915, 926, 929, 932, 934, 939-940, 945, 948-955, 961, 975-977, 983-1002, 1004-1015, 1017-1019, 1021-1035, 1038, 1041, 1044-1048, 1050-1074, 1086-1095, 1106-1137, 1147-1152, 1163-1169, 1190-1194, 1206, 1211, 1217-1226, 1230-1236, 1267, 1275, 1291-1292, 1335, 1372, 1390, 1396-1400, 1402, 1406-1422, 1443-1444, 1447-1463, 1467-1477, 1479, 1486-1488, 1491, 1494, 1510-1515, 1517-1529, 1545, 1549-1567, 1572, 1576, 1581, 1592, 1606, 1631, 1635, 1637, 1639, 1642-1644, 1646, 1648, 1651-1662, 1665, 1669-1671, 1676, 1681, 1683, 1688-1740, 1744, 1746, 1751-1764, 1768, 1774, 1780, 1782, 1784, 1786, 1790, 1795-1804, 1818-1820, 1832-1833, 1838-1846, 1856-1861, 1870-2177, 2180-2196, 2200, 2202-2266, 2268-2269, 2278, 2283, 2286, 2290-2298, 2304-2307, 2309-2311, 2313, 2315, 2317, 2321, 2323-2324, 2329-2346, 2352, 2360-2368, 2372-2374, 2376-2377, 2379, 2382, 2387-2388, 2390-2443, 2453, 2455-2460, 2463-2465, 2469, 2474-2493, 2495-2497, 2499-2502, 2505, 2508, 2511-2532, 2534-2550, 2552-2557, 2560-2610, 2612-2615, 2619, 2621-2623, 2625, 2628-2644, 2647-2653, 2656-2660, 2663-2708, 2710, 2712-2713, 2715-2726, 2728-2748, 2750, 2752-2782, 2784-2855, 2859, 2863-2959, 2961-2962, 2964-3088, 3094-3097, 3109, 3114, 3117, 3119-3155, 3166-3178, 3180-3189, 3198, 3206-3217, 3231, 3233-3235, 3241-3248, 3263-3271, 3289-3317, 3325-3326, 3340-3344, 3359-3378, 3383-3414, 3429, 3438-3447, 3451-3466, 3499-3542, 3552, 3554-3562, 3568, 3575, 3578, 3584-3585, 3587, 3603-3617, 3623-3629, 3638, 3640-3643, 3659-3681, 3697, 3706-3722, 3733-3736, 3756-3761, 3763-3814, 3824, 3826-3827, 3832, 3840, 3844-3857, 3864-3866, 3898-3923, 3928, 3947-3979, 3989, 3999-4031, 4033-4050, 4091-4130, 4144, 4146, 4156, 4167-4171, 4173-4179, 4185, 4188-4198, 4209-4224, 4226, 4233, 4238, 4241-4251, 4259, 4262-4274, 4285-4292, 4303-4304, 4316-4346, 4351, 4357-4393, 4398, 4403, 4408-4417, 4441, 4456-4461, 4482-4483, 4488-4500, 4530-4542, 4549-4601, 4616-4627, 4642-4664, 4678-4680, 4699-4727, 4735-4802, 4804, 4806, 4814, 4816, 4821, 4823-4824, 4826-4844, 4858, 4868-4870, 4874-4886, 4888-4892, 4896, 4916, 4920-4948, 4950, 4956, 4959, 4964-4974, 4978-4992, 5006-5030, 5037-5043, 5051, 5058, 5062, 5072-5091, 5138, 5141-5150, 5172-5192, 5195-5247, 5249-5288, 5299-5314, 5322, 5325, 5343-5375, 5377-5386, 5400-5406, 5426-5437, 5463-5527, 5556-5566, 5568-5571, 5582, 5587-5598, 5601-5612, 5639-5677, 5681, 5683-5710, 5735-5758, 5760-5763, 5776-5784, 5790-5796, 5807-5820, 5827-5829, 5835-5841, 5873, 5877, 5880, 5882, 5884, 5892-5915, 5920-5935, 5945-5950, 5969-5971, 5973-6008, 6012, 6024-6115, 6145-6159, 6163, 6171-6244, 6275, 6281, 6287-6307, 6336-6352, 6354, 6356-6399, 6425-6431, 6433, 6439, 6442-6444, 6447-6481, 6488-6489, 6493-6499, 6501-6507, 6509, 6518-6546, 6585-6626, 6655-6701, 6729-6782, 6784-6796, 6798-6816, 6818-6838, 6840-6861, 6888, 6890-6891, 6897-6911, 6928-6978, 6984-6986, 6990, 6992, 7013-7048, 7050-7058, 7084, 7090-7141, 7153-7162, 7187-7189, 7191-7205, 7209-7228, 7230, 7234-7236, 7238-7239, 7241-7256, 7281, 7285-7292, 7294, 7296-7299, 7330-7353, 7355-7389, 7392, 7394-7444, 7454-7458, 7476-7482, 7484-7485, 7489-7490, 7496, 7499, 7502-7548, 7550-7558, 7560-7581, 7588, 7590-7592, 7594-7601, 7603, 7608-7620, 7624-7632, 7635-7659, 7679-7682, 7684-7703, 7709-7720, 7724-7773, 7779-7780, 7784, 7789-7790, 7805-7806, 7809-7839, 7841-7864, 7878, 7880, 7887, 7891, 7902-7924, 7939-7970, 8019-8025, 8042-8046, 8053-8061, 8091-8114, 8116, 8118-8124, 8126-8132, 8155, 8157-8159, 8161, 8163-8165, 8167, 8169, 8171, 8175-8227, 8250-8259, 8285-8291, 8293-8310, 8315-8316, 8349, 8358-8364, 8366-8376, 8378-8382, 8384-8385, 8387-8388, 8402-8424, 8426-8434, 8437-8439, 8441-8443, 8462-8463, 8476-8496, 8498, 8500-8501, 850