P0447 Diagnosis Information - DME (DFI)

P0447

Diagnosis Information - DME (DFI)

DMTL - Diagnosis module for tank leakage, valve driver

Diagnostic conditions
- Power supply voltage 10 V ... 16 V
- Engine running

Possible fault causes
- Open circuit, short circuit to B+ or short circuit to ground in control line to change-over valve of DMTL module
- Open circuit in the power supply to the DMTL module
- DMTL - tank leakage diagnosis module faulty
- DME control unit faulty