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Double Cat-Eyes on Shift Selector Display - ALLISON Transmission 4700 OFS/RDS

Double Cat-Eyes

This display indicates a failure of the CAN communication link, the cat-eyes are illuminated in both the Select and Monitor Display, and "CHECK TRANS" light is usually activated. NOTE: without the CAN link, the Shift Selector cannot display the selected transmission range.

Figure 1.1 - Allison 4700 OFS (Oil Field Series)


CATEYE - The forward slash segment and the middle horizontal segments (-/-)

Figure 1.2 - Allison 4700 RDS (Rugged Duty Series)

Probable cause on under the following conditions:
-Lost communication between the TCM and Shift Selector (U0103 or U0291)
Read More:
DTC U0291 Lost Communication With Gear Shift Module (Shift Selector) 2
DTC U0130 Lost Communication With Gear Shift Module (Shift Selector) 1
-Invalid data from Shift Selector (U0592 or U0404)
Read More:
DTC U0592 Invalid Data Received From Gear Shift Module (Shift Selector) 2
DTC U0404 Invalid Data Received From Gear Shift Module (Shift Selector) 1
-J1939 Controller Area Network (CAN) problems
-If no error appears and all wiring are OK, it could be the TCM was damaged, if cannot connected to ALLISON DOC Software as below;

Figure 1.3 - Connection Help


Read More:
Solenoid Test on ALLISON Transmission using ALLISON DOC Software
Check Error Code ALLISON Transmission 4700RDS (Road Engine) using Shift Selector Display







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