VALVE GP-CONTROL 9T8989 - Caterpillar

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.
This Revised Service Letter replaces the 19Nov2012 Service Letter. Changes have been made to the Action Required.
TERMINATION DATE
30Nov2014
PROBLEM
A previous production software release inadvertently replaced the current C27 CX-Transmission enhanced version of 3679438/">367-9438 Software with the prior Non-CX-Transmission 391-9920 Software.
AFFECTED PRODUCT
Model Identification Number
C27 TWM03391-03393, 3395-3399, 3401-3407, 3410, 3412, 3414, 3416-3421, 3423-3424, 3431, 3435-3443, 3446, 3448-3451, 3458-3459, 3461-3462, 3465-3473, 3475, 3477-3479, 3481-3483, 3485-3488, 3493, 3496-3498, 3501, 3506, 3514, 3516-3521, 3523-3524, 3528, 3530, 3539, 3541, 3543-3545, 3550, 3554-3555
PARTS NEEDED
Qty
Part Number Description
1 3679438 SOFTWARE GP-ELEK
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 20% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.
ACTION REQUIRED
Update the engine with the CX-Transmission enhanced 3679438/">367-9438 Software.
Refer to the service manual if/as necessary.
The high idle parameter settings may need to be configured. Refer to C7-C32 ACERT Electronics Application and Installation Guide, LEBH4623.
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
0-8000 hrs,
0-24 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 1.0-hour job
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.