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Diagnostic System Check - Cellular Communication
DIAGNOSTIC SYSTEM CHECK - CELLULAR COMMUNICATIONTEST DESCRIPTION
Steps 1-6:
Steps 7-8:
The numbers below refer to the step numbers on the diagnostic table.
2. Lack of communication may be due to a partial malfunction or a total malfunction of the class 2 serial data circuit. The specified procedure will determine the condition.
5. The presence of DTCs which begin with "U" indicate some other system control module is not communicating.