EDC16 / P0403 03
Read the instructions below then
start the fault diagnostic procedure.
Symptom: CHECK ENGINE lamp on.
EGR Valve Feedback Circuit. Too Low.
Fault symptom
CHECK ENGINE lamp on.
On-board diagnosis
Type of diagnosis:
Enable criteria:
Fault criteria:
| Voltage to the control module input is below 0.25 V for more than 0.6 s. |
System reaction to a fault:
| EGR turned off in case of fault. |
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:
| (See also description of readings/activations in diagnostic tool) |
