PRODUCT IMPROVEMENT PROGRAM FOR INSTALLING NEW ENGINE SOFTWARE ON CERTAIN C175-16 GENERATOR SETS
Usage:
REBE6778-00
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| 28Feb2011 |
U-81
A-64
D-72
O-75
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| Priority | PRODUCT IMPROVEMENT PROGRAM FOR INSTALLING NEW ENGINE SOFTWARE ON CERTAIN C175-16 GENERATOR SETS |
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| 1901 1920 | PI31848 |
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| NOTE: | This Program must be administered as soon as possible. When reporting the repair, use "PI31848" 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 "PI31848" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code. |
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| 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. |
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COMPLETION DATE |
TERMINATION DATE |
| 31Aug2011 | 29Feb2012 |
PROBLEM
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| A failure of the engine speed timing sensors or the engine wiring to these sensors, may result in incorrect fuel injection timing and additional resultant damage. The new software addresses this issue and needs to be installed on certain C175-16 generator sets. The new software also eliminates the need to disable communication to the Temperature Control Module (TCM) as described in TIBU5843 The new software is a direct replacement for the previous engine software groups on the affected product. |
AFFECTED PRODUCT
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| Model | Identification Number |
| C175-16 | WYB00100-00112, 114-118, 124-129, 131, 135-136, 138-405 |
PARTS NEEDED
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Qty |
Part Number | Description |
| 1 | 3706156 | SOFTWARE GP-ELEK |
| 1 | 3706157 | SOFTWARE GP-ELEK |
| 1 | 3706158 | SOFTWARE GP-ELEK |
| 1 | 3756971 | SOFTWARE GP-ELEK |
ACTION REQUIRED
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| 1. Install the appropriate software in the Engine Electronic Control Module (ECM) on the Affected Products. Refer to Image1. 2. If the instructions from TIBU5843 to disable communication to the Temperature Control Module (TCM) were followed, this software update addresses the issue. Re-enable communication to the TCM by re-installing the wire in the #6 location of the 12 pin connector at the TCM. |
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 |
| Image1 |
OWNER NOTIFICATION
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| U.S. and Canadian owners will receive the attached Owner Notification. |
SERVICE CLAIM ALLOWANCES
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| NOTE: This is a 1.0-hour job | |||||
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PARTS DISPOSITION
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| Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. |
| MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE. |
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| COPY OF OWNER NOTIFICATION FOR U.S. AND CANADIAN OWNERS XYZ Corporation 3240 Arrow Drive Anywhere, YZ 99999 PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR INSTALLING NEW ENGINE SOFTWARE MODELS INVOLVED - C175-16 Generator Sets Dear Caterpillar Product Owner: The engine software needs to be updated on the products listed below. The new software eliminates the possibility that damage to the engine speed timing sensors, or damage to the engine wiring to these sensors, can result in incorrect fuel injection timing and additional resultant damage. 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 28Feb2011 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 28Feb2011 Service Letter |
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