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EDC16 / P0243 04

Read the instructions below then start the fault diagnostic procedure.

Symptom: Performance loss. Warning lamp lights. Message appears in display.

  P0243 04


Boost Pressure Control Valve, High Pressure Turbo, Open Circuit

Fault symptom

Performance loss.

Warning lamp lights.

Message appears in display.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Ignition ON.

Fault criteria:

Open circuit in control module output.

System reaction to a fault:

Limp Home, engine torque limitation.
Regeneration of DPF prevented.

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.
Information
Diesel Particulate Filter Regeneration Not Possible !

Functions in the diagnostic tool related to the fault:

Test value:
Charge Air Control PWM, Pre Turbo
Activation:
Charge Air Control PWM, Pre Turbo
(See also description of readings/activations in diagnostic tool)