Eaton Top 2 Transmission shifting problem with C11, C13, and C15 Truck Engines Caterpillar

Eaton Top 2 Transmission shifting problem with C11, C13, and C15 Truck Engines

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Eaton Top 2 Transmission shifting problem with C11, C13, and C15 Truck Engines

CONFIDENTIAL TIBU4355-01

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TECHNICAL INFORMATION BULLETIN	December 01, 2004
TRUCK ENGINES	C11 (KCA1-04032) C13 (KCB1-20293) C15 (BXS1-37924)
	Component Code(s) 1901

SUBJECT: Eaton Top Two Transmission Shifting Problems with C11, C13, and C15 Truck Engines

PROBLEM:

54-5 Lockout solenoid short circuit

55-5 Shift solenoid short circuit

Fault - 191-7, Transmission not responding.

The ECM tries to make a transmission shift and logs 191-7 fault after three attempts to shift.

This fault is an active fault.

SOLUTION:

For Fault codes 54-5 and 55-5

1. Run a new ground wire for the shift and lockout solenoids. Each solenoid uses the same ground wire.

2. Replace the solenoids

For Fault 191-7

1. Flash ECM with new release software. Refer to Table 1.

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New Release Software
Old Software	New Software	Interlock Code
249-2490	262-3734	55
255-1267	262-3726	54
255-1269	262-3737	56
255-1270	262-3740	57
255-4930	262-3722	48
255-4931	262-3724	44
255-4932	262-3725	45
255-4933	262-3727	40
255-4934	262-3728	41
255-4935	262-3729	50
255-4936	262-3730	46
255-4937	262-3731	47
255-4938	262-3732	42
255-4939	262-3733	51
255-4940	262-3735	49
255-4941	262-3736	52
255-4942	262-3738	43
255-4943	262-3739	53

Table 1

COPYRIGHT 2004 CATERPILLAR
ALL RIGHTS RESERVED

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