2010 Porsche Panamera Turbo (970) V8-4.8L Turbo A L L Diagnostic Trouble Codes ( DTC ): P Code Charts Page 701
- Throttle adjusting unit Faulty
Fault setting condition(s)
- Throttle potentiometer 2 (measured) - Mass air flow (calculated )
--> Deviation too high
Fault effects
The vehicle is located in the emergency operation mode ie The motor rotates at 1200 to 1800 1/min.
P2127
P2127
Diagnosis information - Control unit DME (DFI)
Throttle potentiometer 2
Diagnostic conditions
- Switch on ignition > 5 Second(s)
- then Engine running
Possible fault causes
- Loose contact or corrosion on connectors or lines
- Short circuit to B+/ground/between lines or open circuit in the lines (Potentiometer)
- Throttle adjusting unit Faulty
Fault effects
- Dynamic response is reduced.
P2128
P2128
Diagnosis information - Control unit DME (DFI)
Throttle potentiometer 2
Diagnostic conditions
- Switch on ignition > 5 Second(s)
- then Engine running
Possible fault causes
- Loose contact or corrosion on connectors or lines
- Short circuit to B+/ground/between lines or open circuit in the lines (Potentiometer)
- Throttle adjusting unit Faulty
Fault effects
- Dynamic response is reduced.
P2138
P2138
Diagnosis information - Control unit DME (DFI)
Throttle adjusting unit - channel comparison
Diagnostic conditions
- Throttle adjusting unit taught
- Idle speed and short rev-up
- then Trip with different operating conditions
Possible fault causes
- Loose contact or corrosion on connectors or lines
- Throttle adjusting unit Faulty
Fault setting condition(s)
- The two potentiometer values differ too greatly from each other
- It is not clear which value is incorrect.
P2146
P2146
Diagnosis information - Control unit DME (DFI)
