PRODUCT IMPROVEMENT PROGRAM FOR ADDING A WIRING HARNESS TO THE AUXILIARY TEMPERATURE CIRCUIT ON CERTAIN 3126B, C-10, AND C-12 INDUSTRIAL ENGINES Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR ADDING A WIRING HARNESS TO THE AUXILIARY TEMPERATURE CIRCUIT ON CERTAIN 3126B, C-10, AND C-12 INDUSTRIAL ENGINES

Usage:

SEBE8549-01

October 15, 2003
(Revised November 2003)
U-292
D-218
O-247

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*Priority*	PRODUCT IMPROVEMENT PROGRAM FOR ADDING A WIRING HARNESS TO THE AUXILIARY TEMPERATURE CIRCUIT ON CERTAIN 3126B, C-10, AND C-12 INDUSTRIAL ENGINES
1920		PI30562

NOTE: This Program must be administered as soon as possible. When reporting the repair, use "PI30562" as the Part number and "7751" as the Group Number, "56" as the Warranty Claim Description Code and "T" as the SIMS Description Code. Exception: If the repair is done after failure, use "PI30562" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.

NOTE: 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.

NOTE: This Revised Service Letter replaces the October 15, 2003 Service Letter. Changes have been made to the Affected Product.

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COMPLETION DATE	TERMINATION DATE
April 30, 2004	October 31, 2004

PROBLEM

A wiring harness needs to be added to the auxiliary temperature circuit on certain 3126B, C-10, and C-12 industrial engines. A diagnostic fault will display on the EMS panel for the auxiliary temperature sensor and the reading will not update.

AFFECTED PRODUCT

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Model	Identification Number
3126B	BEJ564, 566, 567, 992, 1065, 1217-1221, 1305, 1330, 1335, 1534, 1536, 1591, 1595, 1603, 1668-1671, 1687, 1691, 1693, 1694, 1697, 1698, 1829, 1830, 1845-1847, 1866-1870, 2554, 2556, 2574, 2580, 2583, 2606, 3139, 3142, 3513, 3610, 3614, 3619, 3620, 3621, 3716, 3739, 3985, 4094, 4268, 4269, 4271, 4396, 4470, 4477, 4560 DCS156, 164-179, 185-198, 200-205, 208, 210, 212-213, 215-262, 268-277, 280, 281, 283, 285, 287-289, 292, 294-297, 300-306, 310, 312, 313, 315-319, 323, 324, 327-329, 331, 333, 337-340, 342, 345, 348, 349, 352-354, 356-364, 367-371, 373-381, 389-397, 404-406, 411-413, 418, 421, 423-455, 463, 466, 468, 470, 474, 478, 480, 481, 487-491, 494, 497, 499-504, 506, 508, 509, 511, 513-518, 525, 526, 528-532, 534-538, 543-548, 554-562, 571, 572, 583, 586, 591, 592, 599, 600, 603, 604, 606-616
C-10	BCX268, 269, 316, 339, 341, 346, 347, 349, 350-352, 355, 356, 359, 360, 365-368, 371, 372, 374-376, 381-386, 399, 401, 402, 404-406, 424-428, 452-455, 467-469, 470, 522-524, 544, 546-549, 601, 603, 613-616, 627, 628, 648, 650, 669, 681-685, 694, 695, 765, 766, 773, 776, 808-814, 860, 861, 874, 878, 889-896, 898, 901, 906, 907, 912-924, 936-942, 988, 989, 1026, 1043, 1044, 1059-1062, 1064, 1065, 1092-1094, 1102, 1104, 1119, 1120, 1125, 1126, 1139, 1140, 1142-1144, 1165, 1177, 1178, 1221, 1224, 1234, 1235, 1239, 1240, 1246, 1247, 1299, 1303, 1328, 1334, 1341, 1343, 1348, 1359, 1369-1372, 1378, 1379, 1502, 1506, 1507
C-12	BDL166-169, 187, 188, 211-214, 216, 232-234, 258, 259, 262, 339-342, 347, 348, 403, 428, 434, 438, 439, 441, 446, 475, 480, 499, 501-504, 600-603, 729, 730-732, 1190, 1251, 1252, 1300, 1301, 1433, 1435, 1436, 1461, 1463, 1464, 1479-1482, 1550, 1555, 1556, 1714, 1716, 1862, 1863, 1866, 1868, 1905, 1909-1911, 1913, 1914, 1918, 1938, 1939, 1973, 1974, 2062, 2063, 2090-2092, 2305, 2313, 2316, 2319, 2321, 2322, 2326, 2328, 2339, 2353, 2355, 2372, 2381, 2382, 2420, 2421, 2434, 2442, 2446, 2447, 2449, 2462-2464, 2478, 2481, 2482, 2487, 2488, 2494, 2495

PARTS NEEDED

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Qty	Part Number	Description
1	2434615	Harness A.

ACTION REQUIRED

See the attached Rework Procedure.

OWNER NOTIFICATION

U.S. and Canadian owners will receive the attached Owner Notification.

SERVICE CLAIM ALLOWANCES

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Caterpillar		Dealer Suggested		Customer Suggested
Parts	Labor Hrs.	Parts	Labor Hrs.	Parts	Labor Hrs.
100%	1.0	0	0	0	0
NOTE: This is a 1.0- hour job. NOTE: U.S. and Canadian Dealers Only - Eligible dealers may enter a Type 2 SIMS Report

PARTS DISPOSITION

Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.

MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.

Attach. (1-Owner Notification)
(2-Rework Procedure)

COPY OF OWNER NOTIFICATION FOR U.S. AND CANADIAN OWNERS

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR ADDING A WIRING HARNESS TO THE AUXILIARY TEMPERATURE CIRCUIT

MODELS INVOLVED - CERTAIN 3126B, C-10, AND C-12 INDUSTRIAL ENGINES

Dear Caterpillar Product Owner:

A wiring harness needs to be added to the auxiliary temperature circuit on the products listed below. A diagnostic fault will display on the EMS panel for the auxiliary temperature sensor and the reading will not update. You will not be charged for the service performed.

Contact your local Caterpillar dealer immediately to schedule this service. The dealer will advise you of the time required to complete this service. Please refer the dealer to their Service Letter dated October 15, 2003 when scheduling this service.

We regret the inconvenience this may cause you, but urge you to have this service performed as soon as possible to prevent unscheduled downtime.

Caterpillar Inc.

Identification #(s)

Attached to October 15, 2003 Service Letter

Rework Procedure

NOTE: Dealers will need to remove any temporary repair (adding diode to wiring harness) before performing this Service Letter.

Add 2434615 Wire Harness "T" to auxiliary temperature circuit at the P142/J142 connection. See figure 1.

Figure 1

Flash the engine ECM with the appropriate industrial flash file noted below.

Engine Software Flash Files

3126B Industrial Test

175 HP/2500rpm & 501ft-lbs/1500rpm 0K2854 0K2566

200 HP/2500rpm & 573ft-lbs/1500rpm 0K2856 0K2567

244-2214-00

2379320 00 3126B HEUI Industrial 175,200/2500

Interlock= 19

Replaces 2344862-00

Date Code 20JUN03

Flash Protocol CDL

3126B Industrial Test

250 HP/2100rpm & 860ft-lbs/1350rpm 0K2857 0K5124

241-5823-00

2415823 00 3126B HEUI Industrial 250/2100

Interlock= 22 Date Code 19JUN03

Replaces 2377717-00 and 2344865-00 (See Note)

NOTE: When replacing flashfile 2344865, Cat ET will warn you that Interlock Codes do not match. Factory passwords are not required to resolve the Interlock mismatch.

Solution: After the flash process has completed, Disconnect ET, turn the ECM key switch OFF then back ON. After the ECM power cycles, the interlock mismatch will be resolved automatically.