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TSB Document:

Affected Component: ELECTRICAL SYSTEM:SOFTWARE

Summary
Service 4wd Light/Message Illuminated. Diagnostic Trouble Codes (DTCs) C149D-54 ? Clutch Calibration Not Learned ? Missing Calibrations, And/Or C149D-55 ? Clutch Calibration Not Learned ? Not Configured, Set After Drivetrain Control Module (DTCM) Reprogramming.

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Date Published
SEP 06, 2022
NHTSA TSB #
10225983
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