Diagnostic Trouble Code (DTC) Information IAM-B119F13
Condition
The Integrated Audio Module (IAM) checks the current strength on the signal cable from the GPS antenna.
The diagnostic trouble code is stored if the control module detects:
- Current too low
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Ignition switch position II.
NOTE:
The control module can only detect the fault once the test has been started and the diagnostic trouble code (DTC) is stored when the conditions are met.
Substitute Value
- None.
Possible Source
- Open circuit on signal cable.
- Damaged GPS antenna.
Fault symptom[s]
- Navigation/Does not work
- Navigation/Navigation system gives incorrect directions
- Navigation/Updates of information slow/does not work