T8 / P2138 00
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Fault indicator lamp (for further information see WIS Fault diagnosis, general)
Performance loss.
Pedal Position Sensor Circuit. Plausibility Fault Between Circuit 1 and 2.
Fault symptom
Fault indicator lamp (for further information see WIS Fault diagnosis, general)
Performance loss.
On-board diagnosis
Type of diagnosis:
Enable criteria:
| When the ECM is awake, diagnosis is active (even with the ignition off). |
Fault criteria:
| When the voltage difference between pedal position sensor 1 and 2 is 5.2 - 8.2% depending on pedal position (5.2% released pedal, 8.2% fully engaged pedal). |
Dependent:
System reaction to a fault:
OK report:
| Fault criterion not fulfilled and vehicle speed over 0 km/h for more than 60 s. |
Fault handling:
| (See section Fault handling III, "Other emission-related components and functions" for more information.) |
Checking the wiring harness
Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.
Diagnostic help
Diagnosis regards:
| Electrical fault in connecting leads or component. |
| • | Fault in connector H42-2 is often a cause of this DTC. |
Functions in the diagnostic tool related to the fault:
| (See also description of readings/activations in diagnostic tool) |
