2010 Porsche Panamera Turbo (970) V8-4.8L Turbo A L L Diagnostic Trouble Codes ( DTC ): P Code Charts Page 700
Throttle potentiometer 1 implausible
Diagnostic conditions
- Engine running
- if fault has been previously detected in the system P2127 or P2128 (Throttle potentiometer 2)
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 setting condition(s)
- Throttle potentiometer 1 (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.
P2122
P2122
Diagnosis information - Control unit DME (DFI)
Throttle potentiometer 1
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.
P2123
P2123
Diagnosis information - Control unit DME (DFI)
Throttle potentiometer 1
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.
P2126
P2126
Diagnosis information - Control unit DME (DFI)
Throttle potentiometer 2 implausible
Diagnostic conditions
- Engine running
- if fault has been previously detected in the system P2122 or P2123 (Throttle potentiometer 1)
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)
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