Diagnostic Trouble Code (DTC) Information
Diagnostic trouble code (DTC) information
Condition
Diagnostic trouble code (DTC) PHM-0022 is stored if the carphone module registers that there is a short-circuit to supply voltage in the power supply to the handset.
Substitute value
- Only hands-free operates.
Possible source
- Short-circuit to power supply in the wiring (power supply) to the handset from the control module.
Fault symptom[s]
- The carphone handset is not functioning
- Message in the text display (for carphones with Volvo On Call).