Test Description
WARNING: This page is about a different variant/trim than selected.
The numbers below refer to the step numbers in the diagnostic procedure.
- 3
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. - 4
Determine if the Instrument Panel Cluster (IPC) or Powertrain Control Modules (PCM) have DTCs set which may affect engine cooling operation. - 5
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.