STS AWD V6-3.6L (2007)
Valve Body: Customer Interest
A/T - MIL ON/DTC P0751 Is Stored In Memory
TECHNICAL
Bulletin No.: 07-07-30-031D
Date: February 20, 2009
Subject:
Malfunction Indicator Lamp (MIL) On - Check Engine Light, DTC P0751 (Diagnose and Repair as Necessary)
Models
Supercede:
This bulletin is being revised to provide additional information on the new spacer plate. Please discard Corporate Bulletin Number 07-07-30-031C
(Section 07 - Transmission/Transaxle).
Condition
Some customers may comment on a malfunction indicator lamp (MIL) being illuminated.
A scan tool may reveal DTC P0751 set in the TCM as current or in history.
Correction
Follow the service instructions below based on the group your vehicle is in.
2007 Silverado or Sierra with 6L90 Transmission (MYD)
1. Inspect and note the transmission fluid level and condition. If the level is high or low, it should be corrected and the vehicle road tested to verify that
the condition is still present.
2. Remove the transmission bottom pan to inspect for possible debris.
^
If debris is found, the transmission should be disassembled to determine the source. Repair or replace the transmission in the most economical
method following guidelines in Corporate Bulletin # 02-07-30-029.
^
If no debris is noted in the oil pan, remove the control valve body assembly and proceed to the next step.
3. Disassemble the valve body to:
