Diagnostic trouble code (DTC) information

Condition 

Diagnostic trouble code (DTC) PHM-000D is stored if the carphone module registers that there is a short-circuit to ground in the signal to the handset microphone.

Substitute Value 

• Only hands-free operates.

Possible Source 

• Short-circuit to ground in the wiring (MIC signal) between the handset and the control module.

Fault symptom[s] 

• The handset does not function
• Message in the text display (for carphones with Volvo On Call).