PSG16 / P0100 12

Read the instructions below then start the fault diagnostic procedure.

Symptom: Fault indicator lamp (for further information see WIS Fault diagnosis, general) Performance loss.

P0100 12

Fault symptom

Fault indicator lamp (for further information see WIS Fault diagnosis, general)

Performance loss.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Ignition ON.

Engine not running.

Engine not overheated.

Fault criteria:

Signal at 0 rpm below 0.8V for more than 15 seconds.

Dependent:

P0102

P0103

P0652

P0653

System reaction to a fault:

Limp Home, engine torque limitation.

EGR turned off in case of fault.

OK report:

Input conditions fulfilled without a fault reported.

Checking the wiring harness

•	Faults in the control module female connector can be the cause of the DTC. Check the connector with respect to oxidation, depressed pins and pin clamping force.

•	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:

Functions in the diagnostic tool related to the fault:

Test value:

Air Mass Sensor

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