Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information PHM-0001

Condition
Diagnostic trouble code (DTC) PHM-0001 is stored if the voltage to the phone module (PHM) deviates by more than 2.5 V from the central electronic module (CEM) voltage.
Diagnostic trouble code (DTC) PHM-0001 can be diagnosed with the ignition on (not key position 3) and when the battery voltage is 9-16 V.

Substitute value
- None.

Possible source
- Half-burned fuse for the phone module (PHM)
- Defective wiring
- Internal fault in the phone module (PHM).

Fault symptom[s]
- No or reduced carphone functionality.