Ascender 2WD L6-4.2L (2003)
Valve Body: Customer Interest
A/T - Harsh 1-2 Shift/DTC's P0741/P0756/P0894
Information IB07-05-S005
Issue Date: OCTOBER 2007
Affected Vehicles:
2003-2007 Isuzu Ascender
2007 Isuzu i-290/i-370 (TI) with 4L60-E Transmission
2006 Isuzu i-280/i-350 (TI) with 4L60-E Transmission
Service Information
The following new service information outlined in this bulletin will aid technicians in providing easy to follow valve body reconditioning instructions
and new illustrations to simplify reassembly of the valve body. This service bulletin will also provide additional service information documents that are
related to the 4L60-E transmission.
Related Service Documents
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DTC P0741 - Torque Converter Clutch (TCC) System - Stuck Off. Refer to SB05-05-5002.
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DTC P0756 - 2-3 Shift Solenoid Valve Performance - No First or Second Gear. Refer to IB06-05-S004.
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DTC P0894 - Transmission Component Slipping. Refer to SB07-04-S001.
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Refer to Service News Hard or Harsh 1-2 Shift.
Important:
If valve body cleaning is not required, Do Not disassemble the bores unless it is necessary to verify movement of valves.
Inspection Procedure
