Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information PHM-B117B12

Condition




The Phone module (PHM) checks the voltage supply to the telephone handset.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- The power supply is higher than 9 V.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Ignition switch position I and II.
- Battery voltage between 9 - 16 V.

Substitute value
- Only hands-free operates.

Possible source
- The cable for voltage supply to the handset from the Phone module (PHM) is short-circuited to supply voltage.

Fault symptom[s]
- Telephone handset does not function
- Message in display