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ME9 / P2128 00

Read the instructions below then start the fault diagnostic procedure.

Symptom: Malfunction Indicator Lamp Limp home

  P2128 00


Pedal Position Sensor Circuit 2. Short to B+.

Fault symptom

Malfunction Indicator Lamp

Limp home

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Battery voltage must be between 10 - 18 V.
Engine running.

Fault criteria:

When input voltage exceeds 4.8 V for more than 4 seconds.

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.

Functions in the diagnostic tool related to the fault:

Test value:
Pedal Position Sensor 1
Pedal Position Sensor 2

(See also description of readings/activations in diagnostic tool)