2010 Porsche Panamera Turbo (970) V8-4.8L Turbo A L L Diagnostic Trouble Codes ( DTC ): P Code Charts Page 591
- then Driving > 60 Second(s)
Possible fault causes
- Control unit DME (DFI) Faulty
P1666
P1666
Diagnosis information - Control unit DME (DFI)
Diverter solenoid valve
Diagnostic conditions
- Driving with 1 x Full-throttle acceleration and 1 x Overrun phase(s)
Possible fault causes
- Loose contact or corrosion on connectors or lines
- Short circuit to B+/ground/between lines or open circuit in the lines
- Diverter solenoid valve Faulty
P1691
P1691
Diagnostic information - CAN
Communication with control unit not possible
NOTE
Internal function test completed.
Diagnostic conditions
The PAS control unit initially tests internal function sequences after wake-up. If they are OK, all diagnosable outputs are then tested and any faults
are stored.
Wake-up of the control unit by:
- Event-controlled CAN message
- Key contact (terminal S)
- Ignition ON
Possible fault causes
- No power supply of the control unit
- Incorrect coding of the control unit
- Short circuit or open circuit in CAN network
- Control unit faulty (in most cases, faulty coding is the cause and not the control unit)
Fault effects
- Communication no longer possible via the CAN bus
- The control unit is no longer addressable for all other control units
P1692
P1692
Diagnosis information - CAN
Fault entry in specified control module
NOTE:
- Internal function test completed.
Diagnostic conditions
The control module initially tests internal function sequences after wake-up. If they are OK, all diagnosable outputs are then tested and any faults are
stored.
Control module wake-up through:
- event-induced CAN message
- wake-up signal via wake-up line
- key contact (terminal S)
