P2121
P2121 00
Pedal Position Sensor 1 Circuit. Out of Range.
Fault symptom
Check Engine
Limp home
Messages shown in SID.
On-board diagnosis
Type of diagnosis:
Continuous
Enable criteria:
Engine running.
Fault criteria:
When input voltage is outside range 0.5 - 4.7 V.
Dependent
None
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:
Type III
(See Description of On-Board Diagnostics/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.
IMPORTANT: Fault in connector H42-2 is often a cause of this DTC.
Functions in the diagnostic tool related to the fault:
Test value:
- Pedal Position Sensor 1