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The following service procedures require either a programming or a setup event performed for a complete repair. The transmission control module (TCM) is part of the control solenoid valve assembly, and is not serviced separately.
If the TCM is replaced, the following procedures must be performed:
Note:
• Use a scan tool to view and record the Transmission Control Module - End Model Part Number in the original TCM prior to starting the TCM reprogramming procedure. • In some cases, the TCM and ECM may have to be reprogrammed. When a selection for TCM Transmission Control Module - Programming is not available, select SEQ Programming Sequence ECM/TCM (Automatic Transmission Only).
Note: After programming, perform the following to avoid future misdiagnosis:
The replacement of some components will require a setup procedure for complete repair.
If any of the following components are replaced, the Transmission Adaptive Values Learn procedure must be performed:
• | Transmission replacement |
• | Any internal transmission repair |
• | Any speed sensor |
Refer to Transmission Adaptive Values Learn .
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© Copyright Chevrolet. All rights reserved |