Symptom Related Diagnostic Procedures

Symptom Chart
Because the overall function of the system is dependent on sub-systems, it is possible to misinterpret displays in the message center as being terrain response faults when they are actually a result of a fault in one of the sub-systems.
Refer to the table below for help in deciding when to investigate terrain response faults and when the fault is likely to be in a sub-system.





DTC Index
For a list of diagnostic trouble codes that could be logged on this vehicle. For additional information, refer to Diagnostic Trouble Code (DTC) Index - DTC: Terrain Control Module (ATCM) Terrain Control Module (ATCM)