Diagnostic System Check

Diagnostic System Check - Steering Wheel and Column





Test Description
The numbers below refer to the step numbers on the diagnostic table.
2. Lack of communication may be due to a partial malfunction of the class 2 serial data circuit or due to a total malfunction of the class 2 serial data circuit. The specified procedure will determine the particular condition.
3. Determine if any Seat Control Module, Body Control Module, or Powertrain Control Module DTCs are present.
4. The presence of DTCs which begin with "U" indicate some other module is not communicating. The specified procedure will compile all the available information before tests are performed.