P2123
103001 - P2123Information saved in
DME
Fault code
103001 - P2123
Fault text
Accelerator pedal module, pedal travel sensor 1: Short
circuit to B+
Fault description
The diagnostic function monitors the electrical connection
between the DME and sensor 1 at the accelerator pedal.
Condition for fault identification
Test condition:
The fault is recognized when the voltage of pedal-travel
sensor 1 is > 4.84 V.
Potential problem source(s):
- Defect in wiring harness between DME and accelerator
pedal module (A_FWG1)
- Accelerator pedal module defective
Terminal condition: Terminal 15
Voltage condition:
- None
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none
Condition for fault memory entry
The diagnostic fault code is logged when the fault persists
for longer than 240 ms.
Action in service
- Check wiring harness between DME and accelerator pedal
module
- Replace accelerator pedal module
Fault effect and breakdown warning
Breakdown notice:
- The engine reverts to its limp-home program, continued
vehicle operation is possible but drivability is restricted,
because power is reduced the driver should refrain from
passing maneuvers.
Possible apparent symptoms:
- Power reduction
- Engine speed governed
Driver information
Warning light:
- ECE emissions warning lamp: off
- US emissions warning lamp: off
- ECE electronic engine power reduction: on
- US electronic engine power reduction: on
- CC message: on
Service instruction
- none