EDC16 / P0247 54
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Performance loss.
Warning lamp lights.
Message appears in display.
Boost Pressure Control Valve, Low Pressure Turbo, Short to B+
Fault symptom
Performance loss.
Warning lamp lights.
Message appears in display.
On-board diagnosis
Type of diagnosis:
Enable criteria:
| The control module output is active. |
Fault criteria:
| Control module output short-circuit to B+. |
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. |
| Diesel Particulate Filter Regeneration Not Possible ! |
Functions in the diagnostic tool related to the fault:
| Charge Air Control PWM, Main Turbo |
| Charge Air Control PWM, Main Turbo |
| (See also description of readings/activations in diagnostic tool) |
