Fault-Tracing Information

Fault-tracing information

Condition
No diagnostic trouble codes (DTCs)
The fault is permanent.

Possible source




- Open-circuit, short-circuit to ground or short-circuit to supply voltage in cable to data link connector (DLC).
- Open-circuit on data link connector (DLC) power supply, power ground or signal ground.
- Malfunction on Volvo Scan Tool (ST), cables, contacts or adapter.
- Control module diagnostics disabled.

Note! If communications problems occur when starting engine, try connecting a battery charger or additional battery.

Fault symptom[s]
- No communication with power seat.