Diagnostic trouble code (DTC) information

Condition 

Diagnostic trouble code (DTC) PHM-0001 is stored if the voltage to the carphone module deviates by more than 2. 5 V from the central electronic module (CEM) voltage.

Substitute Value 

• None.

Possible Source 

• Half-burned fuse for the carphone module
• Defective wiring
• Internal fault in the carphone module.

Fault symptom[s] 

• The carphone does not function.